初一上册有理数数学计算题 需要400道 急 初一上册数学有理数计算题30道（至少有两种运算）附带过程及答...
400\u9053\u521d\u4e00\u4e0a\u518c\u6570\u5b66\u8ba1\u7b97\u98983X+189=521
4Y+119=22
3X*189=5
8Z/6=458
3X+77=59
4Y-6985=81
87X*13=5
7Z/93=41
15X+863-65X=54
58Y*55=27489
z*(z-3)=4
\u65b9\u7a0bx2\uff1d \u7684\u6839\u4e3a \u3002
2\u3001 \u65b9\u7a0b\uff08x+1\uff092\uff0d2\uff08x\uff0d1\uff092=6x\uff0d5\u7684\u4e00\u822c\u5f62\u5f0f\u662f \u3002
3\u3001 \u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2+mx+3=0\u7684\u4e00\u4e2a\u6839\u662f1\uff0c\u5219m\u7684\u503c\u4e3a \u3002
4\u3001 \u5df2\u77e5\u4e8c\u6b21\u4e09\u9879\u5f0fx2+2mx+4\uff0dm2\u662f\u4e00\u4e2a\u5b8c\u5168\u5e73\u65b9\u5f0f\uff0c\u5219m= \u3002
5\u3001 \u5df2\u77e5 +\uff08b\uff0d1\uff092=0\uff0c\u5f53k\u4e3a \u65f6\uff0c\u65b9\u7a0bkx2+ax+b=0\u6709\u4e24\u4e2a\u4e0d\u7b49\u7684\u5b9e\u6570\u6839\u3002
6\u3001 \u5173\u4e8ex\u7684\u65b9\u7a0bmx2\uff0d2x+1=0\u53ea\u6709\u4e00\u4e2a\u5b9e\u6570\u6839\uff0c\u5219m= \u3002
7\u3001 \u8bf7\u5199\u51fa\u4e00\u4e2a\u6839\u4e3a1\uff0c\u53e6\u4e00\u4e2a\u6839\u6ee1\u8db3\uff0d1<x<1\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u662f \u3002
8\u3001 \u5173\u4e8ex\u7684\u65b9\u7a0bx2\uff0d\uff082m2+m\uff0d6\uff09x\uff0dm=0\u4e24\u6839\u4e92\u4e3a\u76f8\u53cd\u6570\uff0c\u5219m= \u3002
9\u3001 \u5df2\u77e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff08a\uff0d1\uff09x2+x+a2\uff0d1=0\u7684\u4e24\u6839\u4e3ax1,x2\uff0c\u4e14x1+x2= \uff0c\u5219x1,x2= \u3002
10\u67d0\u6728\u6750\u573a\u539f\u6709\u6728\u6750\u5b58\u91cf\u4e3aa\u7acb\u65b9\u7c73\uff0c\u5df2\u77e5\u6728\u6750\u6bcf\u5e74\u4ee520%\u7684\u589e\u957f\u7387\u751f\u957f\uff0c\u5230\u6bcf\u5e74\u51ac\u5929\u780d\u4f10\u7684\u6728\u6750\u91cf\u4e3ax\u7acb\u65b9\u7c73\uff0c\u5219\u7ecf\u8fc7\u4e00\u5e74\u540e\u6728\u6750\u5b58\u91cf\u4e3a \u7acb\u65b9\u7c73\uff0c\u7ecf\u8fc7\u4e24\u5e74\u540e\uff0c\u6728\u6750\u573a\u6728\u6750\u5b58\u91cf\u4e3ab\u7acb\u65b9\u7c73\uff0c\u8bd5\u5199\u51faa,b,m\u4e4b\u95f4\u7684\u5173\u7cfb\u5f0f\uff1a \u3002
\u4e8c\u3001\u9009\u62e9\u9898\uff1a\uff083\u2019\u00d78\uff1d24\u2019\uff09
11\u3001\u5173\u4e8ex\u7684\u65b9\u7a0b\uff08m+1\uff09x2+2mx\uff0d3=0\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff0c\u5219m\u7684\u53d6\u503c\u662f\uff08 \uff09
A\u3001\u4efb\u610f\u5b9e\u6570 B\u3001m\u22601 C\u3001m\u2260\uff0d1 D\u3001m>\uff0d1
12\u3001\u4e0b\u9762\u662f\u67d0\u540c\u5b66\u5728\u4e00\u6b21\u6570\u5b66\u6d4b\u9a8c\u4e2d\u89e3\u7b54\u7684\u586b\u7a7a\u9898\uff0c\u5176\u4e2d\u7b54\u5bf9\u7684\u662f\uff08 \uff09
A\u3001 \u82e5x2=4\uff0c\u5219x=2 B\u3001\u82e53x2=bx\uff0c\u5219x=2
C\u3001 x2+x-k=0\u7684\u4e00\u4e2a\u6839\u662f1\uff0c\u5219k=2
D\u3001\u82e5\u5206\u5f0f \u7684\u503c\u4e3a\u96f6\uff0c\u5219x=2
13\u3001\u65b9\u7a0b\uff08x+3\uff09\uff08x\uff0d3\uff09=4\u7684\u6839\u7684\u60c5\u51b5\u662f\uff08 \uff09
A\u3001\u65e0\u5b9e\u6570\u6839 B\u3001\u6709\u4e24\u4e2a\u4e0d\u76f8\u7b49\u7684\u5b9e\u6570\u6839 C\u3001\u4e24\u6839\u4e92\u4e3a\u5012\u6570 D\u3001\u4e24\u6839\u4e92\u4e3a\u76f8\u53cd\u6570
14\u3001\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2\uff0d3x\uff0d1=0\u4e0ex2+4x+3=0\u7684\u6240\u6709\u5b9e\u6570\u6839\u7684\u548c\u7b49\u4e8e\uff08 \uff09\u3002
A\u3001\uff0d1 B\u3001\uff0d4 C\u30014 D\u30013
15\u3001\u5df2\u77e5\u65b9\u7a0b\uff08 \uff092\uff0d5\uff08 \uff09+6=0\uff0c\u8bbe =y\u5219\u53ef\u53d8\u4e3a\uff08 \uff09\u3002
A\u3001y2+5y+6=0 B\u3001y2\uff0d5y+6=0 C\u3001y2+5y\uff0d6=0 D\u3001y2\uff0d5y\uff0d6=0
16\u3001\u67d0\u8d85\u5e02\u4e00\u6708\u4efd\u7684\u8425\u4e1a\u989d\u4e3a100\u4e07\u5143\uff0c\u7b2c\u4e00\u5b63\u5ea6\u7684\u8425\u4e1a\u989d\u5171800\u4e07\u5143\uff0c\u5982\u679c\u5e73\u5747\u6bcf\u6708\u589e\u957f\u7387\u4e3ax\uff0c\u5219\u6240\u5217\u65b9\u7a0b\u5e94\u4e3a\uff08 \uff09
A\u3001100(1+x)2=800 B\u3001100+100\u00d72x=800 C\u3001100+100\u00d73x=800 D\u3001100[1+(1+x)+(1+x)2]=800
17\u3001\u5df2\u77e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b2x2-3x+3=0\uff0c\u5219\uff08 \uff09
A\u3001\u4e24\u6839\u4e4b\u548c\u4e3a\uff0d1.5 B\u3001\u4e24\u6839\u4e4b\u5dee\u4e3a\uff0d1.5 C\u3001\u4e24\u6839\u4e4b\u79ef\u4e3a\uff0d1.5 D\u3001\u65e0\u5b9e\u6570\u6839
18\u3001\u5df2\u77e5a2+a2\uff0d1=0\uff0cb2+b2\uff0d1=0\u4e14a\u2260b\uff0c\u5219ab+a+b=\uff08 \uff09
A\u30012 B\u3001\uff0d2 C\u3001\uff0d1 D\u30010
\u4e09\u3001\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a\uff085\u2019\u00d75\uff1d25\u2019\uff09
19\u3001\uff08x\uff0d2\uff092\uff0d3\uff1d0 20\u30012x2\uff0d5x\uff0b1\uff1d0\uff08\u914d\u65b9\u6cd5\uff09
21\u3001x(8\uff0bx)\uff1d16 22\u3001
23\u3001\uff082x\uff0d3\uff092\uff0d2\uff082x\uff0d3\uff09\uff0d3\uff1d0
\u56db\u3001\u89e3\u7b54\u9898\u3002
24\u3001\u5df2\u77e5\u4e09\u89d2\u5f62\u7684\u4e24\u8fb9\u957f\u5206\u522b\u662f3\u548c8\uff0c\u7b2c\u4e09\u8fb9\u7684\u6570\u503c\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2\uff0d17x\uff0b66\uff1d0\u7684\u6839\u3002\u6c42\u6b64\u4e09\u89d2\u5f62\u7684\u5468\u957f\u3002\uff086\u2019\uff09
25\u3001\u67d0\u706f\u5177\u5e97\u91c7\u8d2d\u4e86\u4e00\u6279\u67d0\u79cd\u578b\u53f7\u7684\u8282\u80fd\u706f\uff0c\u5171\u7528\u53bb400\u5143\uff0c\u5728\u642c\u8fd0\u8fc7\u7a0b\u4e2d\u4e0d\u614e\u6253\u788e\u4e865\u76cf\uff0c\u8be5\u5e97\u628a\u4f59\u4e0b\u7684\u706f\u6bcf\u76cf\u52a0\u4ef74\u5143\u5168\u90e8\u552e\u51fa\uff0c\u7136\u540e\u7528\u6240\u5f97\u7684\u94b1\u53c8\u91c7\u8d2d\u4e86\u4e00\u6279\u8fd9\u79cd\u8282\u80fd\u706f\uff0c\u4e14\u8fdb\u4ef7\u4e0e\u4e0a\u6b21\u76f8\u540c\uff0c\u4f46\u8d2d\u4e70\u7684\u6570\u91cf\u6bd4\u4e0a\u6b21\u591a\u4e869\u76cf\uff0c\u6c42\u6bcf\u76cf\u706f\u7684\u8fdb\u4ef7\u3002\uff086\u2019\uff09
26\u3001\u5728Rt\u25b3ABC\u4e2d\uff0c\u2220C\uff1d90\u00b0\uff0c\u659c\u8fb9C\uff1d5\uff0c\u4e24\u76f4\u89d2\u8fb9\u7684\u957fa\uff0cb\u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2\uff0dmx\uff0b2m\uff0d2\uff1d0\u7684\u4e24\u6839\uff0c\uff081\uff09\u6c42m\u7684\u503c\uff082\uff09\u6c42\u25b3ABC\u7684\u9762\u79ef\uff083\uff09\u6c42\u8f83\u5c0f\u9510\u89d2\u7684\u6b63\u5f26\u503c\u3002
\u03b1\u3001\u03b2\u662f\u65b9\u7a0b \u7684\u4e24\u6839\uff0c\u5219\u03b1+\u03b2=__________\uff0c\u03b1\u03b2=__________\uff0c __________\uff0c __________\u3002
2\uff0e\u5982\u679c3\u662f\u65b9\u7a0b \u7684\u4e00\u4e2a\u6839\uff0c\u5219\u53e6\u4e00\u6839\u4e3a__________\uff0ca=__________\u3002
3\uff0e\u65b9\u7a0b \u4e24\u6839\u4e3a-3\u548c4\uff0c\u5219ab=__________\u3002
4\uff0e\u4ee5 \u548c \u4e3a\u6839\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u662f__________\u3002
5\uff0e\u82e5\u77e9\u5f62\u7684\u957f\u548c\u5bbd\u662f\u65b9\u7a0b \u7684\u4e24\u6839\uff0c\u5219\u77e9\u5f62\u7684\u5468\u957f\u4e3a__________\uff0c\u9762\u79ef\u4e3a__________\u3002
6\uff0e\u65b9\u7a0b \u7684\u6839\u7684\u5012\u6570\u548c\u4e3a7\uff0c\u5219m=__________\u3002
\u4e8c\u3001\u9009\u62e9\u9898
1\uff0e\u6ee1\u8db3\u4e24\u5b9e\u6839\u548c\u4e3a4\u7684\u65b9\u7a0b\u662f\uff08 \uff09\u3002
\uff08A\uff09 \uff08B\uff09
\uff08C\uff09 \uff08D\uff09
2\uff0e\u82e5k\uff1e1\uff0c\u5219\u5173\u4e8ex\u7684\u65b9\u7a0b \u7684\u6839\u7684\u60c5\u51b5\u662f\uff08 \uff09\u3002
\uff08A\uff09\u6709\u4e00\u6b63\u6839\u548c\u4e00\u8d1f\u6839 \uff08B\uff09\u6709\u4e24\u4e2a\u6b63\u6839
\uff08C\uff09\u6709\u4e24\u4e2a\u8d1f\u6839 \uff08D\uff09\u6ca1\u6709\u5b9e\u6570\u6839
3\uff0e\u5df2\u77e5\u4e24\u6570\u548c\u4e3a-6\uff0c\u4e24\u6570\u79ef\u4e3a2\uff0c\u5219\u8fd9\u4e24\u6570\u4e3a\uff08 \uff09\u3002
\uff08A\uff09 \uff0c \uff08B\uff09 \uff0c
\uff08C\uff09 \uff0c \uff08D\uff09 \uff0c
4\uff0e\u82e5\u65b9\u7a0b \u4e24\u6839\u4e4b\u5dee\u7684\u7edd\u5bf9\u503c\u4e3a8\uff0c\u5219p\u7684\u503c\u4e3a\uff08 \uff09\u3002
\uff08A\uff092 \uff08B\uff09-2
\uff08C\uff09\u00b12 \uff08D\uff09
\u4e09\u3001\u89e3\u7b54\u9898
1\uff0e\u5df2\u77e5 \u3001 \u662f\u65b9\u7a0b \u7684\u4e24\u4e2a\u5b9e\u6570\u6839\uff0c\u4e14 \uff0c\u6c42k\u7684\u503c\u3002
2\uff0e\u4e0d\u89e3\u65b9\u7a0b\uff0c\u6c42\u4f5c\u4e00\u4e2a\u65b0\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff0c\u4f7f\u5b83\u7684\u4e24\u6839\u5206\u522b\u4e3a\u65b9\u7a0b \u4e24\u6839\u7684\u5e73\u65b9\u3002
3\uff0e\u5982\u679c\u5173\u4e8ex\u7684\u65b9\u7a0b \u7684\u4e24\u4e2a\u5b9e\u6570\u6839\u90fd\u5c0f\u4e8e1\uff0c\u6c42m\u7684\u53d6\u503c\u8303\u56f4\u3002
4\uff0em\u4e3a\u4f55\u503c\u65f6\uff0c\u65b9\u7a0b
\uff081\uff09\u4e24\u6839\u4e92\u4e3a\u5012\u6570\uff1b
\uff082\uff09\u6709\u4e24\u4e2a\u6b63\u6839\uff1b
\uff083\uff09\u6709\u4e00\u4e2a\u6b63\u6839\u4e00\u4e2a\u8d1f\u6839\u3002
\u89e3\u65b9\u7a0b\uff081\uff09(3x+1)2=7 \uff082\uff099x2-24x+16=11
\u7528\u914d\u65b9\u6cd5\u89e3\u65b9\u7a0b 3x2-4x-2=0
\u7528\u516c\u5f0f\u6cd5\u89e3\u65b9\u7a0b 2x2-8x=-5
\u7528\u56e0\u5f0f\u5206\u89e3\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a
(1) (x+3)(x-6)=-8 (2) 2x2+3x=0
(3) 6x2+5x-50=0 (\u9009\u5b66\uff09 (4)x2-2( + )x+4=0 \uff08\u9009\u5b66\uff09
\u7528\u9002\u5f53\u7684\u65b9\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\u3002(\u9009\u5b66\uff09
\uff081\uff094(x+2)2-9(x-3)2=0 \uff082\uff09x2+(2-)x+ -3=0
\uff083\uff09 x2-2 x=- \uff084\uff094x2-4mx-10x+m2+5m+6=0
\u6c42\u65b9\u7a0b3(x+1)2+5(x+1)(x-4)+2(x-4)2=0\u7684\u4e8c\u6839\u3002
\u7528\u914d\u65b9\u6cd5\u89e3\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2+px+q=0
\u4e00\uff09\u7528\u9002\u5f53\u7684\u65b9\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a
1. 6x2-x-2=0 2. (x+5)(x-5)=3
3. x2-x=0 4. x2-4x+4=0
5. 3x2+1=2x 6. (2x+3)2+5(2x+3)-6=0
\uff08\u4e8c\uff09\u89e3\u4e0b\u5217\u5173\u4e8ex\u7684\u65b9\u7a0b
1.x2-ax+-b2=0 2. x2-( + )ax+ a2=0
\u9009\u62e9\u9898
1\uff0e\u65b9\u7a0bx(x-5)=5(x-5)\u7684\u6839\u662f\uff08 \uff09
A\u3001x=5 B\u3001x=-5 C\u3001x1=x2=5 D\u3001x1=x2=-5
2\uff0e\u591a\u9879\u5f0fa2+4a-10\u7684\u503c\u7b49\u4e8e11\uff0c\u5219a\u7684\u503c\u4e3a\uff08 \uff09\u3002
A\u30013\u62167 B\u3001-3\u62167 C\u30013\u6216-7 D\u3001-3\u6216-7
3\uff0e\u82e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bax2+bx+c=0\u4e2d\u7684\u4e8c\u6b21\u9879\u7cfb\u6570\uff0c\u4e00\u6b21\u9879\u7cfb\u6570\u548c\u5e38\u6570\u9879\u4e4b\u548c\u7b49\u4e8e\u96f6\uff0c\u90a3\u4e48\u65b9\u7a0b\u5fc5\u6709\u4e00\u4e2a
\u6839\u662f\uff08 \uff09\u3002
A\u30010 B\u30011 C\u3001-1 D\u3001\u00b11
4\uff0e \u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bax2+bx+c=0\u6709\u4e00\u4e2a\u6839\u662f\u96f6\u7684\u6761\u4ef6\u4e3a\uff08 \uff09\u3002
A\u3001b\u22600\u4e14c=0 B\u3001b=0\u4e14c\u22600
C\u3001b=0\u4e14c=0 D\u3001c=0
5\uff0e \u65b9\u7a0bx2-3x=10\u7684\u4e24\u4e2a\u6839\u662f\uff08 \uff09\u3002
A\u3001-2\uff0c5 B\u30012\uff0c-5 C\u30012\uff0c5 D\u3001-2\uff0c-5
6\uff0e \u65b9\u7a0bx2-3x+3=0\u7684\u89e3\u662f\uff08 \uff09\u3002
A\u3001 B\u3001 C\u3001 D\u3001\u65e0\u5b9e\u6839
7\uff0e \u65b9\u7a0b2x2-0.15=0\u7684\u89e3\u662f\uff08 \uff09\u3002
A\u3001x= B\u3001x=-
C\u3001x1=0.27, x2=-0.27 D\u3001x1=, x2=-
8\uff0e \u65b9\u7a0bx2-x-4=0\u5de6\u8fb9\u914d\u6210\u4e00\u4e2a\u5b8c\u5168\u5e73\u65b9\u5f0f\u540e\uff0c\u6240\u5f97\u7684\u65b9\u7a0b\u662f\uff08 \uff09\u3002
A\u3001(x-)2= B\u3001(x- )2=-
C\u3001(x- )2= D\u3001\u4ee5\u4e0a\u7b54\u6848\u90fd\u4e0d\u5bf9
9\uff0e \u5df2\u77e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2-2x-m=0\uff0c\u7528\u914d\u65b9\u6cd5\u89e3\u8be5\u65b9\u7a0b\u914d\u65b9\u540e\u7684\u65b9\u7a0b\u662f\uff08 \uff09\u3002
A\u3001(x-1)2=m2+1 B\u3001(x-1)2=m-1 C\u3001(x-1)2=1-m D\u3001(x-1)2=m+1
\u7528\u76f4\u63a5\u5f00\u5e73\u65b9\u6cd5\u89e3\u65b9\u7a0b(x-3)2=8\u5f97\u65b9\u7a0b\u7684\u6839\u4e3a\uff08 \uff09
\uff08A\uff09x=3+2 \uff08B\uff09x=3-2
\uff08C\uff09x1=3+2 ,x2=3-2 \uff08D\uff09x1=3+2,x2=3-2
\u4e00\u3001\u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u7a7a3\u5206\uff0c\u517130\u5206\uff09
1\u3001\u65b9\u7a0b(x-1)(2x+1)=2\u5316\u6210\u4e00\u822c\u5f62\u5f0f\u662f \uff0c\u5b83\u7684\u4e8c\u6b21\u9879\u7cfb\u6570\u662f .
2\u3001\u5173\u4e8ex\u7684\u65b9\u7a0b\u662f(m2-1)x2+(m-1)x-2=0\uff0c\u90a3\u4e48\u5f53m \u65f6\uff0c\u65b9\u7a0b\u4e3a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff1b
\u5f53m \u65f6\uff0c\u65b9\u7a0b\u4e3a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b.
3\u3001\u82e5\u65b9\u7a0b \u6709\u589e\u6839\uff0c\u5219\u589e\u6839x=__________\uff0cm= .
4\u3001(2003\u8d35\u9633)\u5df2\u77e5\u65b9\u7a0b \u6709\u4e24\u4e2a\u76f8\u7b49\u7684\u5b9e\u6570\u6839\uff0c\u5219\u9510\u89d2 =___________.
5\u3001\u82e5\u65b9\u7a0bkx2-6x+1=0\u6709\u4e24\u4e2a\u5b9e\u6570\u6839\uff0c\u5219k\u7684\u53d6\u503c\u8303\u56f4\u662f .
6\u3001\u8bbex1\u3001x2\u662f\u65b9\u7a0b3x2+4x-5=0\u7684\u4e24\u6839\uff0c\u5219 .x12+x22= .
7\u3001\u5173\u4e8ex\u7684\u65b9\u7a0b2x2+(m2-9)x+m+1=0\uff0c\u5f53m= \u65f6\uff0c\u4e24\u6839\u4e92\u4e3a\u5012\u6570\uff1b
\u5f53m= \u65f6\uff0c\u4e24\u6839\u4e92\u4e3a\u76f8\u53cd\u6570.
8\u3001\u82e5x1 = \u662f\u4e8c\u6b21\u65b9\u7a0bx2+ax+1=0\u7684\u4e00\u4e2a\u6839\uff0c\u5219a= \uff0c
\u8be5\u65b9\u7a0b\u7684\u53e6\u4e00\u4e2a\u6839x2 = .
9\u3001\u65b9\u7a0bx2+2x+a-1=0\u6709\u4e24\u4e2a\u8d1f\u6839\uff0c\u5219a\u7684\u53d6\u503c\u8303\u56f4\u662f .
10\u3001\u82e5p2-3p-5=0\uff0cq2\uff0d3q-5=0\uff0c\u4e14p\u2260q\uff0c\u5219 .
\u4e8c\u3001\u9009\u62e9\u9898\uff1a\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517115\u5206\uff09
1\u3001\u65b9\u7a0b \u7684\u6839\u7684\u60c5\u51b5\u662f\uff08 \uff09
\uff08A\uff09\u65b9\u7a0b\u6709\u4e24\u4e2a\u4e0d\u76f8\u7b49\u7684\u5b9e\u6570\u6839 \uff08B\uff09\u65b9\u7a0b\u6709\u4e24\u4e2a\u76f8\u7b49\u7684\u5b9e\u6570\u6839
\uff08C\uff09\u65b9\u7a0b\u6ca1\u6709\u5b9e\u6570\u6839 \uff08D\uff09\u65b9\u7a0b\u7684\u6839\u7684\u60c5\u51b5\u4e0e \u7684\u53d6\u503c\u6709\u5173
2\u3001\u5df2\u77e5\u65b9\u7a0b \uff0c\u5219\u4e0b\u5217\u8bf4\u4e2d\uff0c\u6b63\u786e\u7684\u662f\uff08 \uff09
\uff08A\uff09\u65b9\u7a0b\u4e24\u6839\u548c\u662f1 \uff08B\uff09\u65b9\u7a0b\u4e24\u6839\u79ef\u662f2
\uff08C\uff09\u65b9\u7a0b\u4e24\u6839\u548c\u662f\uff0d1 \uff08D\uff09\u65b9\u7a0b\u4e24\u6839\u79ef\u662f\u4e24\u6839\u548c\u76842\u500d
3\u3001\u5df2\u77e5\u65b9\u7a0b \u7684\u4e24\u4e2a\u6839\u90fd\u662f\u6574\u6570\uff0c\u5219 \u7684\u503c\u53ef\u4ee5\u662f\uff08 \uff09
\uff08A\uff09-1 \uff08B\uff091 \uff08C\uff095 \uff08D\uff09\u4ee5\u4e0a\u4e09\u4e2a\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a
4\u3001\u5982\u679c\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2+px+q=0\u7684\u4e24\u6839\u5206\u522b\u4e3ax1\uff1d3\u3001x2\uff1d1\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u662f\uff08 \uff09
A. x2+3x+4=0 B. x2-4x+3=0 C. x2+4x-3=0 D. x2+3x-4=0
5\u3001\u7528\u914d\u65b9\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\u65f6\uff0c\u914d\u65b9\u6709\u9519\u8bef\u7684\u662f\uff08 \uff09
A.x2-2x-99=0\u5316\u4e3a(x-1)2=100 B.x2+8x+9=0\u5316\u4e3a(x+4)2=25
C.2t2-7t-4=0\u5316\u4e3a D.3y2-4y-2=0\u5316\u4e3a
\u4e09\u3001\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a(\u6bcf\u5c0f\u98985\u5206\uff0c\u517130\u5206)
\uff081\uff09 \uff082\uff09
(3) (4)4x2-8x+1=0\uff08\u7528\u914d\u65b9\u6cd5\uff09
(5) 3x2+5(2x+1)=0\uff08\u7528\u516c\u5f0f\u6cd5\uff09 (6)
\u56db\u3001\uff08\u672c\u98986\u5206\uff09
(2003\u5b81\u590f)\u67d0\u5316\u80a5\u5382\u53bb\u5e74\u56db\u6708\u4efd\u751f\u4ea7\u5316\u80a5500\u5428\uff0c\u56e0\u7ba1\u7406\u4e0d\u5584\uff0c\u4e94\u6708\u4efd\u7684\u4ea7\u91cf\u51cf\u5c11\u4e8610\uff05\uff0e\u4ece\u516d\u6708\u8d77\u5f3a\u5316\u7ba1\u7406\uff0c\u4ea7\u91cf\u9010\u6708\u4e0a\u5347\uff0c\u4e03\u6708\u4efd\u4ea7\u91cf\u8fbe\u5230648\u5428\uff0e\u90a3\u4e48\uff0c\u8be5\u5382\u516d\u3001\u4e03\u4e24\u6708\u4ea7\u91cf\u5e73\u5747\u589e\u957f\u7684\u767e\u5206\u7387\u662f\u591a\u5c11\uff1f
\u4e94\u3001\uff08\u672c\u98986\u5206\uff09
\u6709\u4e00\u95f4\u957f\u4e3a20\u7c73\uff0c\u5bbd\u4e3a15\u7c73\u7684\u4f1a\u8bae\u5ba4\uff0c\u5728\u5b83\u4eec\u4e2d\u95f4\u94fa\u4e00\u5757\u5730\u6bef\u4e3a\uff0c\u5730\u6bef\u7684\u9762\u79ef\u662f\u4f1a\u8bae\u5ba4\u9762\u79ef\u7684\u4e00\u534a\uff0c\u56db\u5468\u672a\u94fa\u5730\u6bef\u7684\u7559\u7a7a\u5bbd\u5ea6\u76f8\u540c\uff0c\u5219\u7559\u7a7a\u5bbd\u5ea6\u4e3a\u591a\u5c11\u7c73\uff1f
\u516d\u3001\uff08\u672c\u98986\u5206\uff09
(2003\u5357\u4eac)\u67d0\u706f\u5177\u5e97\u91c7\u8d2d\u4e86\u4e00\u6279\u67d0\u79cd\u578b\u53f7\u7684\u8282\u80fd\u706f\uff0c\u5171\u7528\u53bb400\u5143\uff0e\u5728\u642c\u8fd0\u8fc7\u7a0b\u4e2d\u4e0d\u614e\u6253\u788e\u4e865\u76cf\uff0c\u8be5\u5e97\u628a\u4f59\u4e0b\u7684\u706f\u6bcf\u76cf\u52a0\u4ef74\u5143\u5168\u90e8\u552e\u51fa\uff0c\u7136\u540e\u7528\u6240\u5f97\u7684\u94b1\u53c8\u91c7\u8d2d\u4e86\u4e00\u6279\u8fd9\u79cd\u8282\u80fd\u706f\uff0c\u4e14\u8fdb\u4ef7\u4e0e\u4e0a\u6b21\u76f8\u540c\uff0c\u4f46\u8d2d\u4e70\u7684\u6570\u91cf\u6bd4\u4e0a\u6b21\u591a\u4e869\u76cf\uff0e\u6c42\u6bcf\u76cf\u706f\u7684\u8fdb\u4ef7\uff0e
\u4e03\u3001\uff08\u672c\u989812\u5206\uff0c\u5176\u4e2d\u7b2c(1)\u95ee7\u5206\uff0c\u7b2c(2)\u95ee\u662f\u9644\u52a0\u98985\u5206\uff09
(2003\u6f4d\u574a) \u5982\u56fe\u6240\u793a\uff0c\u25b3ABC\u4e2d\uff0cAB=6\u5398\u7c73\uff0cBC=8\u5398\u7c73\uff0c\u2220B=90\u00b0\uff0c\u70b9P\u4ece\u70b9A\u5f00\u59cb\u6cbfAB\u8fb9\u5411B\u4ee51\u5398\u7c73/\u79d2\u7684\u901f\u5ea6\u79fb\u52a8\uff0c\u70b9Q\u4eceB\u70b9\u5f00\u59cb\u6cbfBC\u8fb9\u5411\u70b9C\u4ee52\u5398\u7c73/\u79d2\u7684\u901f\u5ea6\u79fb\u52a8.
(1) \u5982\u679cP\u3001Q\u5206\u522b\u4eceA\u3001B\u540c\u65f6\u51fa\u53d1\uff0c\u7ecf\u8fc7\u51e0\u79d2\uff0c\u4f7f\u25b3PBQ\u7684\u9762\u79ef\u7b49\u4e8e8\u5e73\u65b9\u5398\u7c73\uff1f
(2) (\u9644\u52a0\u9898)\u5982\u679cP\u3001Q\u5206\u522b\u4eceA\u3001B\u51fa\u53d1\uff0c\u5e76\u4e14P\u5230B\u540e\u53c8\u7ee7\u7eed\u5728BC\u8fb9\u4e0a\u524d\u8fdb\uff0c\u7ecf\u8fc7\u51e0\u79d2\uff0c\u4f7f\u25b3PCQ\u7684\u9762\u79ef\u7b49\u4e8e12.6\u5e73\u65b9\u5398\u7c73\uff1f
\u4e00\u3001\u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u7a7a3\u5206\uff0c\u517130\u5206\uff09
1\u3001\u65b9\u7a0b(x\u20131)(2x+1)=2\u5316\u6210\u4e00\u822c\u5f62\u5f0f\u662f \uff0c\u5b83\u7684\u4e8c\u6b21\u9879\u7cfb\u6570\u662f .
2\u3001\u5173\u4e8ex\u7684\u65b9\u7a0b\u662f(m2\u20131)x2+(m\u20131)x\u20132=0\uff0c\u90a3\u4e48\u5f53m \u65f6\uff0c\u65b9\u7a0b\u4e3a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff1b
\u5f53m \u65f6\uff0c\u65b9\u7a0b\u4e3a\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b.
3\u3001\u82e5\u65b9\u7a0b \u6709\u589e\u6839\uff0c\u5219\u589e\u6839x=__________\uff0cm= .
4\u3001(2003\u8d35\u9633)\u5df2\u77e5\u65b9\u7a0b \u6709\u4e24\u4e2a\u76f8\u7b49\u7684\u5b9e\u6570\u6839\uff0c\u5219\u9510\u89d2 =___________.
5\u3001\u82e5\u65b9\u7a0bkx2\u20136x+1=0\u6709\u4e24\u4e2a\u5b9e\u6570\u6839\uff0c\u5219k\u7684\u53d6\u503c\u8303\u56f4\u662f .
6\u3001\u8bbex1\u3001x2\u662f\u65b9\u7a0b3x2+4x\u20135=0\u7684\u4e24\u6839\uff0c\u5219 .x12+x22= .
7\u3001\u5173\u4e8ex\u7684\u65b9\u7a0b2x2+(m2\u20139)x+m+1=0\uff0c\u5f53m= \u65f6\uff0c\u4e24\u6839\u4e92\u4e3a\u5012\u6570\uff1b
\u5f53m= \u65f6\uff0c\u4e24\u6839\u4e92\u4e3a\u76f8\u53cd\u6570.
8\u3001\u82e5x1 = \u662f\u4e8c\u6b21\u65b9\u7a0bx2+ax+1=0\u7684\u4e00\u4e2a\u6839\uff0c\u5219a= \uff0c
\u8be5\u65b9\u7a0b\u7684\u53e6\u4e00\u4e2a\u6839x2 = .
9\u3001\u65b9\u7a0bx2+2x+a\u20131=0\u6709\u4e24\u4e2a\u8d1f\u6839\uff0c\u5219a\u7684\u53d6\u503c\u8303\u56f4\u662f .
10\u3001\u82e5p2\u20133p\u20135=0\uff0cq2\uff0d3q\u20135=0\uff0c\u4e14p\u2260q\uff0c\u5219 .
\u4e8c\u3001\u9009\u62e9\u9898\uff1a\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517115\u5206\uff09
1\u3001\u65b9\u7a0b \u7684\u6839\u7684\u60c5\u51b5\u662f\uff08 \uff09
\uff08A\uff09\u65b9\u7a0b\u6709\u4e24\u4e2a\u4e0d\u76f8\u7b49\u7684\u5b9e\u6570\u6839 \uff08B\uff09\u65b9\u7a0b\u6709\u4e24\u4e2a\u76f8\u7b49\u7684\u5b9e\u6570\u6839
\uff08C\uff09\u65b9\u7a0b\u6ca1\u6709\u5b9e\u6570\u6839 \uff08D\uff09\u65b9\u7a0b\u7684\u6839\u7684\u60c5\u51b5\u4e0e \u7684\u53d6\u503c\u6709\u5173
2\u3001\u5df2\u77e5\u65b9\u7a0b \uff0c\u5219\u4e0b\u5217\u8bf4\u4e2d\uff0c\u6b63\u786e\u7684\u662f\uff08 \uff09
\uff08A\uff09\u65b9\u7a0b\u4e24\u6839\u548c\u662f1 \uff08B\uff09\u65b9\u7a0b\u4e24\u6839\u79ef\u662f2
\uff08C\uff09\u65b9\u7a0b\u4e24\u6839\u548c\u662f\uff0d1 \uff08D\uff09\u65b9\u7a0b\u4e24\u6839\u79ef\u662f\u4e24\u6839\u548c\u76842\u500d
3\u3001\u5df2\u77e5\u65b9\u7a0b \u7684\u4e24\u4e2a\u6839\u90fd\u662f\u6574\u6570\uff0c\u5219 \u7684\u503c\u53ef\u4ee5\u662f\uff08 \uff09
\uff08A\uff09\u20141 \uff08B\uff091 \uff08C\uff095 \uff08D\uff09\u4ee5\u4e0a\u4e09\u4e2a\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a
4\u3001\u5982\u679c\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2+px+q=0\u7684\u4e24\u6839\u5206\u522b\u4e3ax1\uff1d3\u3001x2\uff1d1\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u662f\uff08 \uff09
A. x2+3x+4=0 B. x2-4x+3=0 C. x2+4x-3=0 D. x2+3x-4=0
5\u3001\u7528\u914d\u65b9\u6cd5\u89e3\u4e0b\u5217\u65b9\u7a0b\u65f6\uff0c\u914d\u65b9\u6709\u9519\u8bef\u7684\u662f\uff08 \uff09
A.x2-2x-99=0\u5316\u4e3a(x-1)2=100 B.x2+8x+9=0\u5316\u4e3a(x+4)2=25
C.2t2-7t-4=0\u5316\u4e3a D.3y2-4y-2=0\u5316\u4e3a
\u4e09\u3001\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a(\u6bcf\u5c0f\u98985\u5206\uff0c\u517130\u5206)
\uff081\uff09 \uff082\uff09
(3) (4)4x2\u20138x+1=0\uff08\u7528\u914d\u65b9\u6cd5\uff09
(5) 3x2+5(2x+1)=0\uff08\u7528\u516c\u5f0f\u6cd5\uff09 (6)
\u56db\u3001\uff08\u672c\u98986\u5206\uff09
(2003\u5b81\u590f)\u67d0\u5316\u80a5\u5382\u53bb\u5e74\u56db\u6708\u4efd\u751f\u4ea7\u5316\u80a5500\u5428\uff0c\u56e0\u7ba1\u7406\u4e0d\u5584\uff0c\u4e94\u6708\u4efd\u7684\u4ea7\u91cf\u51cf\u5c11\u4e8610\uff05\uff0e\u4ece\u516d\u6708\u8d77\u5f3a\u5316\u7ba1\u7406\uff0c\u4ea7\u91cf\u9010\u6708\u4e0a\u5347\uff0c\u4e03\u6708\u4efd\u4ea7\u91cf\u8fbe\u5230648\u5428\uff0e\u90a3\u4e48\uff0c\u8be5\u5382\u516d\u3001\u4e03\u4e24\u6708\u4ea7\u91cf\u5e73\u5747\u589e\u957f\u7684\u767e\u5206\u7387\u662f\u591a\u5c11\uff1f
\u4e94\u3001\uff08\u672c\u98986\u5206\uff09
\u6709\u4e00\u95f4\u957f\u4e3a20\u7c73\uff0c\u5bbd\u4e3a15\u7c73\u7684\u4f1a\u8bae\u5ba4\uff0c\u5728\u5b83\u4eec\u4e2d\u95f4\u94fa\u4e00\u5757\u5730\u6bef\u4e3a\uff0c\u5730\u6bef\u7684\u9762\u79ef\u662f\u4f1a\u8bae\u5ba4\u9762\u79ef\u7684\u4e00\u534a\uff0c\u56db\u5468\u672a\u94fa\u5730\u6bef\u7684\u7559\u7a7a\u5bbd\u5ea6\u76f8\u540c\uff0c\u5219\u7559\u7a7a\u5bbd\u5ea6\u4e3a\u591a\u5c11\u7c73\uff1f
\u516d\u3001\uff08\u672c\u98986\u5206\uff09
(2003\u5357\u4eac)\u67d0\u706f\u5177\u5e97\u91c7\u8d2d\u4e86\u4e00\u6279\u67d0\u79cd\u578b\u53f7\u7684\u8282\u80fd\u706f\uff0c\u5171\u7528\u53bb400\u5143\uff0e\u5728\u642c\u8fd0\u8fc7\u7a0b\u4e2d\u4e0d\u614e\u6253\u788e\u4e865\u76cf\uff0c\u8be5\u5e97\u628a\u4f59\u4e0b\u7684\u706f\u6bcf\u76cf\u52a0\u4ef74\u5143\u5168\u90e8\u552e\u51fa\uff0c\u7136\u540e\u7528\u6240\u5f97\u7684\u94b1\u53c8\u91c7\u8d2d\u4e86\u4e00\u6279\u8fd9\u79cd\u8282\u80fd\u706f\uff0c\u4e14\u8fdb\u4ef7\u4e0e\u4e0a\u6b21\u76f8\u540c\uff0c\u4f46\u8d2d\u4e70\u7684\u6570\u91cf\u6bd4\u4e0a\u6b21\u591a\u4e869\u76cf\uff0e\u6c42\u6bcf\u76cf\u706f\u7684\u8fdb\u4ef7\uff0e
\u4e03\u3001\uff08\u672c\u989812\u5206\uff0c\u5176\u4e2d\u7b2c(1)\u95ee7\u5206\uff0c\u7b2c(2)\u95ee\u662f\u9644\u52a0\u98985\u5206\uff09
(2003\u6f4d\u574a) \u5982\u56fe\u6240\u793a\uff0c\u25b3ABC\u4e2d\uff0cAB=6\u5398\u7c73\uff0cBC=8\u5398\u7c73\uff0c\u2220B=90\u00b0\uff0c\u70b9P\u4ece\u70b9A\u5f00\u59cb\u6cbfAB\u8fb9\u5411B\u4ee51\u5398\u7c73/\u79d2\u7684\u901f\u5ea6\u79fb\u52a8\uff0c\u70b9Q\u4eceB\u70b9\u5f00\u59cb\u6cbfBC\u8fb9\u5411\u70b9C\u4ee52\u5398\u7c73/\u79d2\u7684\u901f\u5ea6\u79fb\u52a8.
(1) \u5982\u679cP\u3001Q\u5206\u522b\u4eceA\u3001B\u540c\u65f6\u51fa\u53d1\uff0c\u7ecf\u8fc7\u51e0\u79d2\uff0c\u4f7f\u25b3PBQ\u7684\u9762\u79ef\u7b49\u4e8e8\u5e73\u65b9\u5398\u7c73\uff1f
(2) (\u9644\u52a0\u9898)\u5982\u679cP\u3001Q\u5206\u522b\u4eceA\u3001B\u51fa\u53d1\uff0c\u5e76\u4e14P\u5230B\u540e\u53c8\u7ee7\u7eed\u5728BC\u8fb9\u4e0a\u524d\u8fdb\uff0c\u7ecf\u8fc7\u51e0\u79d2\uff0c\u4f7f\u25b3PCQ\u7684\u9762\u79ef\u7b49\u4e8e12.6\u5e73\u65b9\u5398\u7c73\uff1f
01.\u5df2\u77e5\u4e09\u89d2\u5f62ABC\u7684\u4e24\u8fb9AB AC\u7684\u957f\u5ea6\u662f\u5173\u4e8e\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b
x^2-(2k+2)x+k^2\uff1d0\u7684\u7684\u4e24\u4e2a\u6839\uff0c\u7b2c\u4e09\u8fb9\u957f\u4e3a10\uff0c\u95eeK\u4e3a\u4f55\u503c\u65f6\u4e09\u89d2\u5f62ABC\u4e3a\u7b49\u8170\u4e09\u89d2\u5f62\uff1f
02.\u8bc1\u660e\u5173\u4e8ex\u7684\u65b9\u7a0b\uff08m^2-8m+17\uff09x^2+2mx+1\uff1d0 \u65e0\u8bbam\u4e3a\u4efb\u4f55\u503c\uff0c\u8be5\u65b9\u7a0b\u90fd\u4e3a\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b
\u82e5a\u4e3a\u6709\u7406\u6570,\u8bd5\u63a2\u6c42\u5f53b\u4e3a\u4f55\u503c\u65f6,\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx^2+3(a-1)x+(2a^2+a+b)=0\u7684\u6839\u4e3a\u6709\u7406\u6570?
2.\u8bbe\u5173\u4e8ey\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b3(m-2)y^2-2(m+1)y-m=0\u6709\u6b63\u6574\u6570\u6839\uff0c\u8bd5\u63a2\u6c42\u6ee1\u8db3\u6761\u4ef6\u7684\u6574\u6570m
1.\u5df2\u77e5a\u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2-3x+m=0\u7684\u4e00\u4e2a\u6839,-a\u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx2+3x-m=0.\u8bd5\u6c42a\u7684\u503c.
2.\u5982\u679c\u6211\u4eec\u77e5\u9053\u65b9\u7a0b(k2+2)x2+(5-k)x=1-3kx2 \u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b.\u90a3\u4e48\u4f60\u80fd\u6c42\u5f97k\u7684\u503c\u5417?
3(x2+3x+4)(x2+3x+5)=6.\u901a\u8fc7\u4ed4\u7ec6\u89c2\u5bdf.\u5de7\u5999\u89e3\u9898(\u4e0d\u51c6\u5c55\u5f00\u89e3\u9898.)
4\u5df2\u77e5m.n\u662f\u5173\u4e8ex\u7684\u65b9\u7a0bx2-(p-2)x+1=0\u7684\u4e24\u4e2a\u5b9e\u6570\u6839,\u6c42\u4ee3\u6570\u5f0f(m2+mp+1)(n2+np+1)\u7684\u503c
1.\u5df2\u77e5\u65b9\u7a0bx+1/x=a+1/a\u76842\u6839\u5206\u522b\u4e3aa,1/a,\u5219\u65b9\u7a0bx+1/(x-1)=a+1/(a-1)\u7684\u6839\u662f_______.
2.\u82e5a=3,b=2\uff0c\u5219\u4ee5a,b\u4f1f\u6839\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff08\u4e8c\u6b21\u9879\u7cfb\u6570\u4e3a\u4e00\uff09\u662f_________.
3.\u5df2\u77e5\u65b9\u7a0bx^2-2x-1=0\u76842\u6839\u662f1+\u221a2,1-\u221a2,\u5219\u5206\u89e3\u56e0\u5f0f:x^2-2x-1=________.
4.\u5df2\u77e5\u65b9\u7a0bx^(K-2)+(k-2)x^2+x-k=0,\u5f53k\u53d6\u4f55\u503c\u65f6\uff0c\u65b9\u7a0b\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff1f
1\u3001 \u4f7f\u5b9e\u7cfb\u6570\u4e8c\u6b21\u65b9\u7a0b2mx[2]+(4m+1)x+2m=0\u6709\u4e24\u4e2a\u4e0d\u76f8\u7b49\u7684\u5b9e\u6570\u6839\u7684m\u7684\u8303\u56f4\u662f\uff08 \uff09
2\u3001 \u6ee1\u8db3\u65b9\u7a0bx[2]+b[2]=(a-x)[2]\u7684x\u7684\u503c\u662f\uff08 \uff09
3\u3001 \u5173\u4e8ex\u7684\u65b9\u7a0bx[2]-(2a-1)x+a=5\u7684\u4e00\u4e2a\u89e3\u662f1,\u5219a\u7684\u503c\u4e3a( )
4\u3001 a,b,c\u4e3a\u4e0d\u5168\u662f0\u76843\u4e2a\u5b9e\u6570,\u90a3\u4e48\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx[2]+(a+b+c)x+(a[2]+b[2]+c[2])=0\u7684\u6839\u7684\u60c5\u51b5\u662f\uff08 \uff09
a \u67092\u4e2a\u8d1f\u6839 b \u6709\u4e24\u4e2a\u6b63\u6839 c \u67092\u4e2a\u5f02\u53f7\u5b9e\u6839 d \u65e0\u5b9e\u6839
5\u3001 \u6ee1\u8db3x[2]+7x+c=0\u6709\u5b9e\u6839\u7684\u6700\u5927\u6574\u6570c\u662f\uff08 \uff09
6\u3001 \u65b9\u7a0bx[2]+1993x-1994=0\u548c(1994x)[2]-1993\u00b71995x-1=0\u7684\u8f83\u5c0f\u6839\u4f9d\u6b21\u4e3aa\uff0cb\uff0c\u6c42ab\u7684\u503c
\u8bbe\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx\u5e73\u65b9+px+q=0\u7684\u4e24\u4e2a\u6839\u4e3aA\uff0cB\uff0c\u4e14A\uff0cB\u6ee1\u8db3lgA+lgB\uff1d2\uff0clg\uff08A+B\uff09\uff1d2\uff0d2lg6+lg9,\u6c42\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\u53caA\uff0cB\u7684\u503c\uff01
1\u3001\u5df2\u77e5a\u3001b \u4e3a\u65b9\u7a0b2x*x-5x+1=0\u7684\u6839\uff0c\u4e0d\u89e3\u65b9\u7a0b\uff0c\u6c42\u503c\uff1a
\uff081\uff091/a+1/b (2)|a-b|
2\u3001\u5df2\u77e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx*x-2mx-5+2m=0 \u7684\u4e24\u6839\u4e4b\u5dee\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e4\u500d\u6839\u53f72\uff0c\u6c42m
\u65b9\u7a0b (m-3)x^(m^-7) +(m-2)+5=0
\uff081\uff09m\u4e3a\u4f55\u503c\u65f6\uff0c\u65b9\u7a0b\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff1b
\uff082\uff09m\u4e3a\u4f55\u503c\u65f6\uff0c\u65b9\u7a0b\u662f\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b
X\u76842a+b\u6b21\u65b9-2\u00d7x\u7684a-b\u6b21\u65b9+3=0\u662f\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b\uff0c\u6c42a\u3001b\u7684\u503c\u3002
\u5df2\u77e5a\u3001b\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx^2+2001x+1=0\u7684\u4e24\u4e2a\u6839,\u5219(1+2003a+a^2)(1+2003b+b^2)=( )
a\u30011 b\u30012
c\u30013 d\u30014
\u5df2\u77e5\uff0ca\u3001b\u662f\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0bx^2+px-1=0\u7684\u4e24\u4e2a\u5b9e\u6570\u8ddf\uff0c\u4e143ab+b^2+2=8b\u3002\u6c42p\u7684\u503c\u3002
\u5982\u679c\u5173\u4e8ex\u7684\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b(ax+1)(x-a)=a-2\u7684\u5404\u9879\u7cfb\u6570\u4e4b\u548c\u4e3a3\uff0c\u6c42a\u7684\u503c\uff0c\u5e76\u89e3\u6b64\u65b9\u7a0b
\u5df2\u77e5\u4e00\u5143\u4e8c\u6b21\u65b9\u7a0b(ab-2b)x^2+2(b-a)x+2a-b=0\u6709\u4e24\u4e2a\u76f8\u7b49\u7684\u5b9e\u6570\u6839\uff0c\u6c421/a+1/b
\u6ce8\uff1aX\uff3e2\u8868\u793aX\u7684\u5e73\u65b9
\u4e00. \u9009\u62e9\u9898\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517130\u5206\uff09
1. \u7684\u7edd\u5bf9\u503c\u662f\uff08 \uff09
A. B. C. D.
2. \u5f53 \u65f6\uff0c\u4ee3\u6570\u5f0f \u7684\u503c\u662f\uff08 \uff09
A. 2 B. 0 C. 4 D. 1
3. \u8981\u4f7f\u5206\u5f0f \u6709\u610f\u4e49\uff0c\u5219 \u7684\u53d6\u503c\u8303\u56f4\u662f\uff08 \uff09
A. B. C. D.
4. \u629b\u7269\u7ebf \u4e0e \u8f74\u7684\u4ea4\u70b9\u5750\u6807\u662f\uff08 \uff09
A. B. C. D.
5. \u5982\u56fe\u6240\u793a\uff0c\u5df2\u77e5DE//BC\uff0cAD = 3\uff0c BD = 6\uff0cEC = 4\uff0c\u5219AE\u957f\u4e3a\uff08 \uff09
A. 2 B. 4 C. 1 D. 3
6. \u7528\u5730\u7816\u94fa\u5730\u9762\uff0c\u4e0b\u5217\u54ea\u79cd\u6b63\u591a\u8fb9\u5f62\u5730\u7816\u4e0d\u80fd\u94fa\u6ee1\u5730\u9762
A. B.
C. D.
7. \u5df2\u77e5\u629b\u7269\u7ebf \u7684\u56fe\u8c61\u4e0ex\u8f74\u6709\u4e24\u4e2a\u4ea4\u70b9\uff0c\u5219 \u7684\u53d6\u503c\u8303\u56f4\u662f\uff08 \uff09
A. B. C. D.
8. \u67d0\u5546\u5e97\u4e3e\u529e\u6709\u5956\u9500\u552e\u6d3b\u52a8\uff0c\u529e\u6cd5\u5982\u4e0b\uff1a\u51e1\u8d2d\u6ee1100\u5143\u8005\u5f97\u5956\u5238\u4e00\u5f20\uff0c\u591a\u8d2d\u591a\u5f97\uff0c\u6bcf10000\u5f20\u5956\u5238\u4e3a\u4e00\u4e2a\u5f00\u5956\u5355\u4f4d\uff0c\u8bbe\u7279\u7b49\u59561\u4e2a\uff0c\u4e00\u7b49\u595650\u4e2a\uff0c\u4e8c\u7b49\u5956200\u4e2a\uff0c\u90a3\u4e48\u4e70100\u5143\u5546\u54c1\u4e2d\u4e00\u7b49\u5956\u7684\u6982\u7387\u5e94\u662f\uff08 \uff09
A. B. C. D.
9. \u5982\u56fe\u6240\u793a\uff0c\u4e00\u5757\u76f4\u89d2\u4e09\u89d2\u5f62\u677fABC\uff08 \uff09\u7684\u659c\u8fb9AC\u4e0e\u4e00\u4e2a\u534a\u5f84\u4e3a1\u7684\u5706\u8f6e\u5b50\u76f8\u9760\uff0c\u5219CD\u7b49\u4e8e\uff08 \uff09
A. B. C. 1 D.
10. \u5982\u56fe\u6240\u793a\uff0c\u5728\u5e73\u884c\u56db\u8fb9\u5f62ABCD\u4e2d\uff0cAC=4\uff0cBD=6\uff0cP\u662fBD\u4e0a\u4efb\u4e00\u70b9\uff0c\u8fc7P\u4f5cEF//AC\uff0c\u4e0e\u5e73\u884c\u56db\u8fb9\u5f62\u7684\u4e24\u6761\u8fb9\u5206\u522b\u4ea4\u4e8e\u70b9E\u3001F\uff0c\u8bbeBP= \uff0cEF= \uff0c\u5219\u80fd\u53cd\u6620 \u4e0e \u4e4b\u95f4\u5173\u7cfb\u7684\u56fe\u8c61\u4e3a
A. B.
C. D.
\u4e8c. \u586b\u7a7a\u9898\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517130\u5206\uff09
11. \u8ba1\u7b97\uff1a .
12. \u82e5 \uff0c\u5219 .
13. \u6211\u56fd\u67d0\u57ce\u5e02\u6709\u4eba\u53e3523800\u4eba\uff0c\u7528\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u4e3a .
14. \u5df2\u77e5 \u662f\u65b9\u7a0b \u7684\u4e24\u4e2a\u5b9e\u6570\u6839\uff0c\u5219 .
15. \u5982\u679c\u4e24\u5706\u534a\u5f84\u5206\u522b\u662f2\u548c3\uff0c\u5706\u5fc3\u8ddd\u662f1\uff0c\u5219\u4e24\u5706\u4f4d\u7f6e\u5173\u7cfb\u662f .
16. \u6297\u201c\u975e\u5178\u201d\u671f\u95f4\uff0c\u4e2a\u522b\u5546\u8d29\u5c06\u539f\u6765\u6bcf\u6876\u4ef7\u683c \u5143\u7684\u8fc7\u6c27\u4e59\u9178\u6d88\u6bd2\u6db2\u63d0\u9ad820%\u540e\u51fa\u552e\uff0c\u5e02\u653f\u5e9c\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\uff0c\u4f7f\u6bcf\u6876\u7684\u4ef7\u683c\u5728\u6da8\u4ef7\u540e\u4e0b\u964d15%\uff0c\u90a3\u4e48\u73b0\u5728\u6bcf\u6876\u7684\u4ef7\u683c\u662f \u5143.
17. \u5982\u56fe\u6240\u793a\uff0c \u4e3a\u7b49\u8170\u76f4\u89d2\u4e09\u89d2\u5f62\uff0c \u2299A\u4e0eBC\u76f8\u5207\uff0c\u5219\u56fe\u4e2d\u9634\u5f71\u90e8\u5206\u7684\u9762\u79ef\u4e3a .
18. \u7ed9\u51fa\u4e0b\u5217\u7a0b\u5e8f\uff1a
\uff08\u8f93\u5165 \uff09 \uff08\u7acb\u65b9\uff09 \uff08\u00d7k\uff09 \uff08+b\uff09 \uff08\u8f93\u51fa\uff09
\u4e14\u5df2\u77e5\u5f53\u8f93\u5165\u7684 \u503c\u4e3a1\u65f6\uff0c\u8f93\u51fa\u503c\u4e3a1\uff1b\u8f93\u5165\u7684 \u503c\u4e3a-1\u65f6\uff0c\u8f93\u51fa\u503c\u4e3a-3.\u5219\u5f53\u8f93\u5165\u7684 \u503c\u4e3a \u65f6\uff0c\u8f93\u51fa\u503c\u4e3a .
19. \u89c2\u5bdf\u4e0b\u5217\u5404\u5f0f\uff1a
\u8bf7\u4f60\u5c06\u731c\u60f3\u5230\u89c4\u5f8b\u7528\u81ea\u7136\u6570 \uff0c\u8868\u793a\u51fa\u6765\uff1a .
20. \u5982\u56fe\u6240\u793a\uff0c\u56db\u8fb9\u5f62OABC\u4e2d\uff0cOA=OB=OC\uff0c \u662f \u76844\u500d\uff0c\u82e5 \uff0c\u5219 .
\u4e09. \u89e3\u7b54\u9898\uff08\u517160\u5206\uff09
21. \uff088\u5206\uff09\u8ba1\u7b97\uff1a
22. \uff088\u5206\uff09\u89e3\u65b9\u7a0b\uff1a
23. \uff0810\u5206\uff09\u4e3a\u9632\u6c34\u60a3\uff0c\u5728\u6f13\u6c5f\u4e0a\u6e38\u4fee\u7b51\u4e86\u9632\u6d2a\u5824\uff0c\u5176\u6a2a\u622a\u9762\u4e3a\u4e00\u68af\u5f62\uff08\u5982\u56fe\u6240\u793a\uff09\uff0c\u5824\u7684\u4e0a\u5e95\u5bbdAD\u548c\u5824\u9ad8DF\u90fd\u662f6\u7c73\uff0c\u5176\u4e2d
\uff081\uff09\u6c42\u8bc1\uff1a
\uff082\uff09\u5982\u679c \uff0c\u6c42\u5824\u7684\u4e0b\u5e95BC\u7684\u957f\u3002
24. \uff0810\u5206\uff09\u5982\u56fe\u6240\u793a\uff0c\u5df2\u77e5\u2299 \u4e0e\u2299 \u76f8\u4ea4\u4e8eA\u3001B\u4e24\u70b9\uff0cP\u662f\u2299 \u4e0a\u4e00\u70b9\uff0cPB\u7684\u5ef6\u957f\u7ebf\u4ea4\u2299 \u4e8e\u70b9C\uff0cPA\u4ea4\u2299 \u4e8e\u70b9D\uff0cCD\u7684\u5ef6\u957f\u7ebf\u4ea4\u2299 \u4e8e\u70b9N\u3002
\uff081\uff09\u8fc7\u70b9A\u4f5cAE//CN\u4ea4\u2299 \u4e8e\u70b9E\uff0c\u6c42\u8bc1\uff1aPA=PE
\uff082\uff09\u8fde\u7ed3PN\uff0c\u82e5PB=4\uff0cBC=2\uff0c\u6c42PN\u7684\u957f\u3002
25. \uff0812\u5206\uff09\u67d0\u4e2d\u5b66\u65b0\u5efa\u4e86\u4e00\u680b4\u5c42\u7684\u6559\u5b66\u5927\u697c\uff0c\u6bcf\u5c42\u697c\u67098\u95f4\u6559\u5ba4\uff0c\u8fdb\u51fa\u8fd9\u680b\u5927\u697c\u5171\u67094\u9053\u95e8\uff0c\u5176\u4e2d\u4e24\u9053\u6b63\u95e8\u5927\u5c0f\u76f8\u540c\uff0c\u4e24\u9053\u4fa7\u95e8\u5927\u5c0f\u4e5f\u76f8\u540c\u3002\u5b89\u5168\u68c0\u67e5\u4e2d\uff0c\u5bf94\u9053\u95e8\u8fdb\u884c\u4e86\u6d4b\u8bd5\uff1a\u5f53\u540c\u65f6\u5f00\u542f\u4e00\u9053\u6b63\u95e8\u548c\u4e24\u9053\u4fa7\u95e8\u65f6\uff0c2\u5206\u949f\u5185\u53ef\u4ee5\u901a\u8fc7560\u540d\u5b66\u751f\uff1b\u5f53\u540c\u65f6\u5f00\u542f\u4e00\u9053\u6b63\u95e8\u548c\u4e00\u9053\u4fa7\u95e8\u65f6\uff0c4\u5206\u949f\u5185\u53ef\u4ee5\u901a\u8fc7800\u540d\u5b66\u751f\u3002
\uff081\uff09\u6c42\u5e73\u5747\u6bcf\u5206\u949f\u4e00\u9053\u6b63\u95e8\u548c\u4e00\u9053\u4fa7\u95e8\u5404\u53ef\u4ee5\u901a\u8fc7\u591a\u5c11\u540d\u5b66\u751f\uff1f
\uff082\uff09\u68c0\u67e5\u4e2d\u53d1\u73b0\uff0c\u7d27\u6025\u60c5\u51b5\u65f6\u56e0\u5b66\u751f\u62e5\u6324\uff0c\u51fa\u95e8\u7684\u6548\u7387\u5c06\u964d\u4f4e20%\uff0c\u5b89\u5168\u68c0\u67e5\u89c4\u5b9a\uff0c\u5728\u7d27\u6025\u60c5\u51b5\u4e0b\u5168\u5927\u697c\u7684\u5b66\u751f\u5e94\u57285\u5206\u949f\u5185\u901a\u8fc74\u9053\u95e8\u5b89\u5168\u64a4\u79bb\uff0c\u5047\u8bbe\u8fd9\u680b\u6559\u5b66\u5927\u697c\u6bcf\u95f4\u6559\u5ba4\u6700\u591a\u670945\u540d\u5b66\u751f\u3002\u95ee\uff1a\u5efa\u9020\u7684\u8fd94\u9053\u95e8\u662f\u5426\u7b26\u5408\u5b89\u5168\u89c4\u5b9a\uff1f\u8bf7\u8bf4\u660e\u7406\u7531\u3002
26. \uff0812\u5206\uff09\u5df2\u77e5\u5982\u56fe\uff0c\u70b9A\u5728 \u8f74\u4e0a\uff0c\u2299A\u4e0e \u8f74\u4ea4\u4e8eB\u3001C\u4e24\u70b9\uff0c\u4e0e \u8f74\u4ea4\u4e8e\u70b9D\uff080\uff0c3\uff09\u548c\u70b9E\uff080\uff0c-1\uff09\u3002
\uff081\uff09\u6c42\u7ecf\u8fc7B\u3001E\u3001C\u4e09\u70b9\u7684\u4e8c\u6b21\u51fd\u6570\u89e3\u6790\u5f0f\uff1b
\uff082\uff09\u82e5\u7ecf\u8fc7\u7b2c\u4e00\u3001\u4e8c\u3001\u4e09\u8c61\u9650\u7684\u4e00\u52a8\u76f4\u7ebf\u5207\u2299A\u4e8e\u70b9P\uff08s\uff0ct\uff09\uff0c\u4e0e \u8f74\u4ea4\u4e8e\u70b9M\uff0c\u8fde\u7ed3PA\u5e76\u5ef6\u957f\u4e0e\u2299A\u4ea4\u4e8e\u70b9Q\uff0c\u8bbeQ\u70b9\u7684\u7eb5\u5750\u6807\u4e3a \uff0c\u6c42 \u5173\u4e8e \u7684\u51fd\u6570\u5173\u7cfb\u5f0f\uff0c\u5e76\u89c2\u5bdf\u56fe\u5f62\u5199\u51fa\u81ea\u53d8\u91cf \u7684\u53d6\u503c\u8303\u56f4\uff1b
\uff083\uff09\u5728\uff082\uff09\u6761\u4ef6\u4e0b\uff0c\u5f53 \u65f6\uff0c\u6c42\u5207\u7ebfPM\u7684\u89e3\u6790\u5f0f\uff0c\u5e76\u501f\u52a9\u51fd\u6570\u56fe\u50cf\uff0c\u6c42\u51fa\uff081\uff09\u4e2d\u629b\u7269\u7ebf\u5728\u5207\u7ebfPM\u4e0b\u65b9\u7684\u70b9\u7684\u6a2a\u5750\u6807 \u7684\u53d6\u503c\u8303\u56f4\u3002
\u56db. \u9009\u505a\u9898\uff08\u517110\u5206\uff09
27. \u5df2\u77e5\u5982\u56fe\uff0c\u5728 \u4e2d\uff0cAB=AC\uff0c \uff0cBM=NM\uff0cBN=a\uff0c\u5219\u70b9N\u5230\u8fb9BC\u7684\u8ddd\u79bb\u7b49\u4e8e \u3002
28. \u5df2\u77e5\u5173\u4e8e \u7684\u65b9\u7a0b \u7684\u4e24\u4e2a\u5b9e\u6570\u6839\u4e3a \u3001 \uff0c\u4e14 \u3002\u6c42\u8bc1 \u3002
\u7b54\u6848
\u4e00.1.B 2. C 3. D 4. C 5. A 6. C 7. C 8. A 9.D 10.A
\u4e8c. 11. 12. 13. 4.
15. \u5185\u5207 16. 1.02a 17. 18. 19.
20.
\u4e09.\u89e3\u7b54\u9898
21.
22.
23. \uff081\uff09\u7565 \uff082\uff0921\u7c73
24. \uff081\uff09\u8bc1\u660e\uff0c\u8fde\u7ed3AB\uff0c
\u56db\u8fb9\u5f62AEPB\u662f\u2299 \u7684\u5185\u63a5\u56db\u8fb9\u5f62\uff0c
\u5728\u2299 \u4e2d\uff0c
\u53c8 AE//CN\uff0c
\u3002
\uff082\uff09\u8fde\u7ed3AN\uff0c\u56db\u8fb9\u5f62ANPB\u662f\u2299 \u7684\u5185\u63a5\u56db\u8fb9\u5f62\uff0c
\u7531\uff081\uff09\u53ef\u77e5
\u53c8 \u3002
\u53c8 \u5728\u2299 \u4e2d\uff0c\u7531\u5272\u7ebf\u5b9a\u7406\uff1a \uff0c
.
25.\u89e3\uff1a\uff081\uff09\u8bbe\u5e73\u5747\u6bcf\u5206\u949f\u4e00\u9053\u6b63\u95e8\u53ef\u4ee5\u901a\u8fc7 \u540d\u5b66\u751f\uff0c\u4e00\u9053\u4fa7\u95e8\u53ef\u4ee5\u901a\u8fc7 \u540d\u5b66\u751f\uff0c\u7531\u9898\u610f\u5f97
\u89e3\u5f97
\u7b54\uff1a\u5e73\u5747\u6bcf\u5206\u949f\u4e00\u9053\u6b63\u95e8\u53ef\u4ee5\u901a\u8fc7\u5b66\u751f120\u540d\uff0c\u4e00\u9053\u4fa7\u95e8\u53ef\u4ee5\u901a\u8fc7\u5b66\u751f80\u540d\u3002
\uff082\uff09\u8fd9\u680b\u697c\u6700\u591a\u6709\u5b66\u751f4\u00d78\u00d745=1440\uff08\u540d\uff09\u3002
\u62e5\u6324\u65f65\u5206\u949f4\u9053\u95e8\u80fd\u901a\u8fc75\u00d72\uff08120+80\uff09\uff081-20%\uff09=1600\uff08\u540d\uff09\u3002
\uff0c
\u5efa\u9020\u76844\u9053\u95e8\u7b26\u5408\u5b89\u5168\u89c4\u5b9a\u3002
26. \u89e3\uff1a
\uff081\uff09 \u4e3a\u2299A\u7684\u76f4\u5f84\uff0c
\u8bbe\u7ecf\u8fc7B\u3001E\u3001C\u4e09\u70b9\u7684\u629b\u7269\u7ebf\u7684\u89e3\u6790\u5f0f\u4e3a
\u5219 \uff0c\u89e3\u5f97
\u3002
\uff082\uff09\u8fc7\u70b9P\u4f5cPF\u22a5Y\u8f74\u4e8eF\uff0c\u8fc7\u70b9Q\u4f5cQN\u22a5Y\u8f74\u4e8eN\u3002
\uff0cF\u70b9\u7eb5\u5750\u6807\u4e3a \uff0c
N\u70b9\u7684\u7eb5\u5750\u6807\u4e3a
\u52a8\u5207\u7ebfPM\u7ecf\u8fc7\u7b2c\u4e00\u3001\u4e8c\u3001\u4e09\u8c61\u9650\uff0c\u89c2\u5bdf\u56fe\u5f62\u53ef\u5f97
\u5173\u4e8e \u7684\u51fd\u6570\u5173\u7cfb\u5f0f\u4e3a
\uff083\uff09\u5f53 \u65f6\uff0cQ\u70b9\u4e0eC\u70b9\u91cd\u5408\uff0c\u8fde\u7ed3PB\u3002
\u4e3a\u2299A\u7684\u76f4\u5f84\uff0c \uff0c\u5373PB\u22a5 \u8f74\u3002
\u5c06 \u4ee3\u5165
\u5f97
\u8bbe\u5207\u7ebfPM\u4e0e \u8f74\u4ea4\u4e8e\u70b9I\uff0c\u5219AP\u22a5PI
\u5728 \u4e0e \u4e2d\uff0c
\u70b9\u5750\u6807\u4e3a\uff080\uff0c5\uff09\uff0c\u8bbe\u5207\u7ebfPM\u7684\u89e3\u6790\u5f0f\u4e3a
\u70b9\u7684\u5750\u6807\u4e3a \u89e3\u5f97
\u5207\u7ebfPM\u7684\u89e3\u6790\u5f0f\u4e3a \u8bbe\u5207\u7ebfPM\u4e0e\u629b\u7269\u7ebf \u4ea4\u4e8eG\u3001H\u4e24\u70b9\uff0c\u7531 \u53ef\u5f97
\u56e0\u6b64\uff0cG\u3001H\u7684\u6a2a\u5750\u6807\u5206\u522b\u4e3a \u3001 \u3002\u6839\u636e\u56fe\u8c61\u53ef\u5f97\u629b\u7269\u7ebf\u5728\u5207\u7ebfPM\u4e0b\u65b9\u7684\u70b9\u7684\u6a2a\u5750\u6807 \u7684\u53d6\u503c\u8303\u56f4\u662f
27. \u8bbe
\u8bbe\u4e3a \uff0c\u4f5cND\u22a5BC\u4e8eD\uff0c\u5728 \u4e2d\uff0c
\u5728 \u4e2d\uff0c
28. \u53ea\u8981\u8bc1 \u5373\u53ef\u3002
\u6cd5\u4e8c\uff1a \u7684\u629b\u7269\u7ebf\uff0c\u5f53 \u65f6\uff0c
\u76f8\u5e94\u7684 \u503c\u4e3a\uff1a
\u629b\u7269\u7ebf\u7684\u9876\u70b9 \u5fc5\u5728 \u8f74\u6216 \u8f74\u7684\u4e0b\u65b9\u3002
\u800c\u629b\u7269\u7ebf\u7684\u5f00\u53e3\u5411\u4e0a\uff0c
\u629b\u7269\u7ebf\u4e0e \u8f74\u7684\u4e24\u4ea4\u70b9\u5fc5\u57281\u7684\u4e24\u4fa7\u6216\u540c\u57281\u8fd9\u4e2a\u70b9\u3002
1. 3/7 \u00d7 49/9 - 4/3
2. 8/9 \u00d7 15/36 + 1/27
3. 12\u00d7 5/6 \u2013 2/9 \u00d73
4. 8\u00d7 5/4 + 1/4
5. 6\u00f7 3/8 \u2013 3/8 \u00f76
6. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
7. 5/2 -\uff08 3/2 + 4/5 \uff09
8. 7/8 + \uff08 1/8 + 1/9 \uff09
9. 9 \u00d7 5/6 + 5/6
10. 3/4 \u00d7 8/9 - 1/3
11. 7 \u00d7 5/49 + 3/14
12. 6 \u00d7\uff08 1/2 + 2/3 \uff09
13. 8 \u00d7 4/5 + 8 \u00d7 11/5
14. 31 \u00d7 5/6 \u2013 5/6
15. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
16. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
17. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
18. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
19. 17/32 \u2013 3/4 \u00d7 9/24
20. 3 \u00d7 2/9 + 1/3
21. 5/7 \u00d7 3/25 + 3/7
22. 3/14 \u00d7\u00d7 2/3 + 1/6
23. 1/5 \u00d7 2/3 + 5/6
24. 9/22 + 1/11 \u00f7 1/2
25. 5/3 \u00d7 11/5 + 4/3
26. 45 \u00d7 2/3 + 1/3 \u00d7 15
27. 7/19 + 12/19 \u00d7 5/6
28. 1/4 + 3/4 \u00f7 2/3
29. 8/7 \u00d7 21/16 + 1/2
30. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42.(6.8-6.8\u00d70.55)\u00f78.5
43.0.12\u00d7 4.8\u00f70.12\u00d74.8
44.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
45.6-1.6\u00f74= 5.38+7.85-5.37=
46.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
47.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
1.[\uff087.1-5.6\uff09\u00d70.9-1.15] \u00f72.5
2.5.4\u00f7[2.6\u00d7\uff083.7-2.9\uff09+0.62]
3.12\u00d76\u00f7\uff0812-7.2\uff09-6 \uff084\uff0912\u00d76\u00f77.2-6
4. 3/7 \u00d7 49/9 - 4/3
5. 8/9 \u00d7 15/36 + 1/27
6. 12\u00d7 5/6 \u2013 2/9 \u00d73
7. 8\u00d7 5/4 + 1/4
8. 6\u00f7 3/8 \u2013 3/8 \u00f76
9. 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
10. 5/2 -\uff08 3/2 + 4/5 \uff09
11. 7/8 + \uff08 1/8 + 1/9 \uff09
12. 9 \u00d7 5/6 + 5/6
13. 3/4 \u00d7 8/9 - 1/3
14. 7 \u00d7 5/49 + 3/14
15. 6 \u00d7\uff08 1/2 + 2/3 \uff09
16. 8 \u00d7 4/5 + 8 \u00d7 11/5
17. 31 \u00d7 5/6 \u2013 5/6
18. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
19. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
20. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
21. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
22. 17/32 \u2013 3/4 \u00d7 9/24
23. 3 \u00d7 2/9 + 1/3
24. 5/7 \u00d7 3/25 + 3/7
25. 3/14 \u00d7\u00d7 2/3 + 1/6
26. 1/5 \u00d7 2/3 + 5/6
27. 9/22 + 1/11 \u00f7 1/2
28. 5/3 \u00d7 11/5 + 4/3
29. 45 \u00d7 2/3 + 1/3 \u00d7 15
30. 7/19 + 12/19 \u00d7 5/6
31. 1/4 + 3/4 \u00f7 2/3
32. 8/7 \u00d7 21/16 + 1/2
33. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
34.50\uff0b160\u00f740
35.120-144\u00f718+35
36.347+45\u00d72-4160\u00f752
37\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
38.95\u00f7\uff0864-45\uff09
39.178-145\u00f75\u00d76+42
40.812-700\u00f7\uff089+31\u00d711\uff09
41.85+14\u00d7\uff0814+208\u00f726\uff09
43.120-36\u00d74\u00f718+35
44.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
45.(6.8-6.8\u00d70.55)\u00f78.5
46.0.12\u00d7 4.8\u00f70.12\u00d74.8
47.\uff083.2\u00d71.5+2.5\uff09\u00f71.6
48.6-1.6\u00f74= 5.38+7.85-5.37=
49.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
50.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 1.\u8fd0\u900129.5\u5428\u7164\uff0c\u5148\u7528\u4e00\u8f86\u8f7d\u91cd4\u5428\u7684\u6c7d\u8f66\u8fd03\u6b21\uff0c\u5269\u4e0b\u7684\u7528\u4e00\u8f86\u8f7d\u91cd\u4e3a2.5\u5428\u7684\u8d27\u8f66\u8fd0\u3002\u8fd8\u8981\u8fd0\u51e0\u6b21\u624d\u80fd\u5b8c\uff1f
2.\u4e00\u5757\u68af\u5f62\u7530\u7684\u9762\u79ef\u662f90\u5e73\u65b9\u7c73\uff0c\u4e0a\u5e95\u662f7\u7c73\uff0c\u4e0b\u5e95\u662f11\u7c73\uff0c\u5b83\u7684\u9ad8\u662f\u51e0\u7c73\uff1f
3.\u67d0\u8f66\u95f4\u8ba1\u5212\u56db\u6708\u4efd\u751f\u4ea7\u96f6\u4ef65480\u4e2a\u3002\u5df2\u751f\u4ea7\u4e869\u5929\uff0c\u518d\u751f\u4ea7908\u4e2a\u5c31\u80fd\u5b8c\u6210\u751f\u4ea7\u8ba1\u5212\uff0c\u8fd99\u5929\u4e2d\u5e73\u5747\u6bcf\u5929\u751f\u4ea7\u591a\u5c11\u4e2a\uff1f
4.\u7532\u4e59\u4e24\u8f66\u4ece\u76f8\u8ddd272\u5343\u7c73\u7684\u4e24\u5730\u540c\u65f6\u76f8\u5411\u800c\u884c\uff0c3\u5c0f\u65f6\u540e\u4e24\u8f66\u8fd8\u76f8\u969417\u5343\u7c73\u3002\u7532\u6bcf\u5c0f\u65f6\u884c45\u5343\u7c73\uff0c\u4e59\u6bcf\u5c0f\u65f6\u884c\u591a\u5c11\u5343\u7c73\uff1f
5.\u67d0\u6821\u516d\u5e74\u7ea7\u6709\u4e24\u4e2a\u73ed\uff0c\u4e0a\u5b66\u671f\u7ea7\u6570\u5b66\u5e73\u5747\u6210\u7ee9\u662f85\u5206\u3002\u5df2\u77e5\u516d\uff081\uff09\u73ed40\u4eba\uff0c\u5e73\u5747\u6210\u7ee9\u4e3a87.1\u5206\uff1b\u516d\uff082\uff09\u73ed\u670942\u4eba\uff0c\u5e73\u5747\u6210\u7ee9\u662f\u591a\u5c11\u5206\uff1f
6.\u5b66\u6821\u4e70\u676510\u7bb1\u7c89\u7b14\uff0c\u7528\u53bb250\u76d2\u540e\uff0c\u8fd8\u5269\u4e0b550\u76d2\uff0c\u5e73\u5747\u6bcf\u7bb1\u591a\u5c11\u76d2\uff1f
7.\u56db\u5e74\u7ea7\u5171\u6709\u5b66\u751f200\u4eba\uff0c\u8bfe\u5916\u6d3b\u52a8\u65f6\uff0c80\u540d\u5973\u751f\u90fd\u53bb\u8df3\u7ef3\u3002\u7537\u751f\u5206\u62105\u7ec4\u53bb\u8e22\u8db3\u7403\uff0c\u5e73\u5747\u6bcf\u7ec4\u591a\u5c11\u4eba\uff1f
8.\u98df\u5802\u8fd0\u6765150\u5343\u514b\u5927\u7c73\uff0c\u6bd4\u8fd0\u6765\u7684\u9762\u7c89\u76843\u500d\u5c1130\u5343\u514b\u3002\u98df\u5802\u8fd0\u6765\u9762\u7c89\u591a\u5c11\u5343\u514b\uff1f
9.\u679c\u56ed\u91cc\u670952\u68f5\u6843\u6811\uff0c\u67096\u884c\u68a8\u6811\uff0c\u68a8\u6811\u6bd4\u6843\u6811\u591a20\u68f5\u3002\u5e73\u5747\u6bcf\u884c\u68a8\u6811\u6709\u591a\u5c11\u68f5\uff1f
10.\u4e00\u5757\u4e09\u89d2\u5f62\u5730\u7684\u9762\u79ef\u662f840\u5e73\u65b9\u7c73\uff0c\u5e95\u662f140\u7c73\uff0c\u9ad8\u662f\u591a\u5c11\u7c73\uff1f
11.\u674e\u5e08\u5085\u4e70\u676572\u7c73\u5e03\uff0c\u6b63\u597d\u505a20\u4ef6\u5927\u4eba\u8863\u670d\u548c16\u4ef6\u513f\u7ae5\u8863\u670d\u3002\u6bcf\u4ef6\u5927\u4eba\u8863\u670d\u75282.4\u7c73\uff0c\u6bcf\u4ef6\u513f\u7ae5\u8863\u670d\u7528\u5e03\u591a\u5c11\u7c73\uff1f
12.3\u5e74\u524d\u6bcd\u4eb2\u5c81\u6570\u662f\u5973\u513f\u76846\u500d\uff0c\u4eca\u5e74\u6bcd\u4eb233\u5c81\uff0c\u5973\u513f\u4eca\u5e74\u51e0\u5c81\uff1f
13.\u4e00\u8f86\u65f6\u901f\u662f50\u5343\u7c73\u7684\u6c7d\u8f66\uff0c\u9700\u8981\u591a\u5c11\u65f6\u95f4\u624d\u80fd\u8ffd\u4e0a2\u5c0f\u65f6\u524d\u5f00\u51fa\u7684\u4e00\u8f86\u65f6\u901f\u4e3a40\u5343\u7c73\u6c7d\u8f66\uff1f
14.\u5c0f\u4e1c\u5230\u6c34\u679c\u5e97\u4e70\u4e863\u5343\u514b\u7684\u82f9\u679c\u548c2\u5343\u514b\u7684\u68a8\u5171\u4ed815\u5143\uff0c1\u5343\u514b\u82f9\u679c\u6bd41\u5343\u514b\u68a8\u8d350.5\u5143\uff0c\u82f9\u679c\u548c\u68a8\u6bcf\u5343\u514b\u5404\u591a\u5c11\u5143\uff1f
15.\u7532\u3001\u4e59\u4e24\u8f66\u5206\u522b\u4eceA\u3001B\u4e24\u5730\u540c\u65f6\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\uff0c\u7532\u6bcf\u5c0f\u65f6\u884c50\u5343\u7c73\uff0c\u4e59\u6bcf\u5c0f\u65f6\u884c40\u5343\u7c73\uff0c\u7532\u6bd4\u4e59\u65e91\u5c0f\u65f6\u5230\u8fbe\u4e2d\u70b9\u3002\u7532\u51e0\u5c0f\u65f6\u5230\u8fbe\u4e2d\u70b9\uff1f
16.\u7532\u3001\u4e59\u4e24\u4eba\u5206\u522b\u4eceA\u3001B\u4e24\u5730\u540c\u65f6\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\uff0c2\u5c0f\u65f6\u76f8\u9047\u3002\u5982\u679c\u7532\u4eceA\u5730\uff0c\u4e59\u4eceB\u5730\u540c\u65f6\u51fa\u53d1\uff0c\u540c\u5411\u800c\u884c\uff0c\u90a3\u4e484\u5c0f\u65f6\u540e\u7532\u8ffd\u4e0a\u4e59\u3002\u5df2\u77e5\u7532\u901f\u5ea6\u662f15\u5343\u7c73/\u65f6\uff0c\u6c42\u4e59\u7684\u901f\u5ea6\u3002
17.\u4e24\u6839\u540c\u6837\u957f\u7684\u7ef3\u5b50\uff0c\u7b2c\u4e00\u6839\u526a\u53bb15\u7c73\uff0c\u7b2c\u4e8c\u6839\u6bd4\u7b2c\u4e00\u6839\u5269\u4e0b\u76843\u500d\u8fd8\u591a3\u7c73\u3002\u95ee\u539f\u6765\u4e24\u6839\u7ef3\u5b50\u5404\u957f\u51e0\u7c73\uff1f
18.\u67d0\u6821\u4e70\u67657\u53ea\u7bee\u7403\u548c10\u53ea\u8db3\u7403\u5171\u4ed8248\u5143\u3002\u5df2\u77e5\u6bcf\u53ea\u7bee\u7403\u4e0e\u4e09\u53ea\u8db3\u7403\u4ef7\u94b1\u76f8\u7b49\uff0c\u95ee\u6bcf\u53ea\u7bee\u7403\u548c\u8db3\u7403\u5404\u591a\u5c11\u5143\uff1f
1) 178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
2) 89+456-78
3) 5%+. 3/7 \u00d7 49/9 - 4/3
4) 9 \u00d7 15/36 + 1/27
5) 2\u00d7 5/6 \u2013 2/9 \u00d73
6) 3\u00d7 5/4 + 1/4
7) 94\u00f7 3/8 \u2013 3/8 \u00f76
8) 95/7 \u00d7 5/9 + 3/7 \u00d7 5/9
9) 6/2 -\uff08 3/2 + 4/5 \uff09
10) 8 + \uff08 1/8 + 1/9 \uff09
11) 8 \u00d7 5/6 + 5/6
12) 1/4 \u00d7 8/9 - 1/3
13) 10 \u00d7 5/49 + 3/14
14) 1.5 \u00d7\uff08 1/2 + 2/3 \uff09
15) 2\uff0f9 \u00d7 4/5 + 8 \u00d7 11/5
16) 3.1 \u00d7 5/6 \u2013 5/6
17) 4/7 - \uff08 2/7 \u2013 10/21 \uff09
18) 19 \u00d7 18 \u2013 14 \u00d7 2/7
19) 5 \u00d7 25/16 + 2/3 \u00d7 3/4
20) 4 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
21) 7/32 \u2013 3/4 \u00d7 9/24
22) 1\u3001 2/3\u00f71/2\uff0d1/4\u00d72/5
23) 2\uff0d6/13\u00f79/26\uff0d2/3
24) 2/9\uff0b1/2\u00f74/5\uff0b3/8
25) 10\u00f75/9\uff0b1/6\u00d74
26) 1/2\u00d72/5\uff0b9/10\u00f79/20
27) 5/9\u00d73/10\uff0b2/7\u00f72/5
28) 1/2\uff0b1/4\u00d74/5\uff0d1/8
29) 3/4\u00d75/7\u00d74/3\uff0d1/2
30) 23\uff0d8/9\u00d71/27\u00f71/27
31) 8\u00d75/6\uff0b2/5\u00f74
32) 1/2\uff0b3/4\u00d75/12\u00d74/5
33) 8/9\u00d73/4\uff0d3/8\u00f73/4
34) 5/8\u00f75/4\uff0b3/23\u00f79/11
35) 1.2\u00d72.5+0.8\u00d72.5
36) 8.9\u00d71.25-0.9\u00d71.25
37) 12.5\u00d77.4\u00d70.8
38) 9.9\u00d76.4-\uff082.5+0.24\uff09\uff0827\uff09 6.5\u00d79.5+6.5\u00d70.5
39) 0.35\u00d71.6+0.35\u00d73.4
40) 0.25\u00d78.6\u00d74
41) 6.72-3.28-1.72
42) 0.45+6.37+4.55
43) 5.4+6.9\u00d73-\uff0825-2.5\uff092\u00d741846-620-380
44) 4.8\u00d746+4.8\u00d754
45) 0.8+0.8\u00d72.5
46) 1.25\u00d73.6\u00d78\u00d72.5-12.5\u00d72.4
47) 28\u00d712.5-12.5\u00d720
48) 23.65-\uff083.07+3.65\uff09
49)\uff084+0.4\u00d70.25\uff098\u00d77\u00d71.25
50) 1.65\u00d799+1.65
51) 27.85-\uff087.85+3.4\uff09
52) 48\u00d71.25+50\u00d71.25\u00d70.2\u00d78
53) 7.8\u00d79.9+0.78
54) (1010+309+4+681+6\uff09\u00d712
55) 3\u00d79146\u00d7782\u00d76\u00d7854
56) 15\u00d77/8+6.1-0.60625
57) 3/7 \u00d7 49/9 - 4/3
58) 8/9 \u00d7 15/36 + 1/27
59) 12\u00d7 5/6 \u2013 2/9 \u00d73
60) 8\u00d7 5/4 + 1/4
70) 6\u00f7 3/8 \u2013 3/8 \u00f76
71) 4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
72) 5/2 -\uff08 3/2 + 4/5 \uff09
73) 7/8 + \uff08 1/8 + 1/9 \uff09
74) 9 \u00d7 5/6 + 5/6
75) 3/4 \u00d7 8/9 - 1/3
76) 7 \u00d7 5/49 + 3/14
77) 6 \u00d7\uff08 1/2 + 2/3 \uff09
78) 8 \u00d7 4/5 + 8 \u00d7 11/5
79) 31 \u00d7 5/6 \u2013 5/6
80) 9/7 - \uff08 2/7 \u2013 10/21 \uff09
81) 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
82) 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
83) 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
84) 17/32 \u2013 3/4 \u00d7 9/24
85) 3 \u00d7 2/9 + 1/3
86) 5/7 \u00d7 3/25 + 3/7
87) 3/14 \u00d7\u00d7 2/3 + 1/6
88) 1/5 \u00d7 2/3 + 5/6
89) 9/22 + 1/11 \u00f7 1/2
90) 5/3 \u00d7 11/5 + 4/3
91) 45 \u00d7 2/3 + 1/3 \u00d7 15
92) 7/19 + 12/19 \u00d7 5/6
93) 1/4 + 3/4 \u00f7 2/3
94) 8/7 \u00d7 21/16 + 1/2
95) 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
96) 0\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
97) 1120-144\u00f718+35
98) 347+45\u00d72-4160\u00f752
99)\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
100) 95\u00f7\uff0864-45\uff09
2. (103-336÷21)×15
3. 800-(2000-9600÷8)
4. 40×48-(1472+328)÷5
5. (488+344)÷(202-194)
6. 2940÷28+136×7
7. 605×(500-494)-1898
8. (2886+6618)÷(400-346)
9. 9125-(182+35×22)
10. (154-76)×(38+49)
11. 3800-136×9-798
12. (104+246)×(98÷7)
13. 918÷9×(108-99)
14. (8645+40×40)÷5
15. (2944+864)÷(113-79)
16. 8080-1877+1881÷3
17. (5011-43×85)+3397
18. 2300-1122÷(21-15)
19. 816÷(4526-251×18)
20. (7353+927)÷(801-792)
21. (28+172)÷(24+16)
22. 6240÷48+63×48
23. 950-28×6+666
24. 86×(35+117÷9)
25. 2500+(360-160÷4)
26. 16×4＋6×3
27.39÷3＋48÷6
28.24×4－42÷3
29.7×6-12×3
30.56÷4＋72÷8
(1) (-9)-(-13)+(-20)+(-2)
(2) 3+13-(-7)/6
(3) (-2)-8-14-13
(4) (-7)*(-1)/7+8
(5) (-11)*4-(-18)/18
(6) 4+(-11)-1/(-3)
(7) (-17)-6-16/(-18)
(8) 5/7+(-1)-(-8)
(9) (-1)*(-1)+15+1
(10) 3-(-5)*3/(-15)
(11) 6*(-14)-(-14)+(-13)
(12) (-15)*(-13)-(-17)-(-4)
(13) (-20)/13/(-7)+11
(14) 8+(-1)/7+(-4)
(15) (-13)-(-9)*16*(-12)
(16) (-1)+4*19+(-2)
(17) (-17)*(-9)-20+(-6)
(18) (-5)/12-(-16)*(-15)
(19) (-3)-13*(-5)*13
(20) 5+(-7)+17-10
(21) (-10)-(-16)-13*(-16)
(22) (-14)+4-19-12
(23) 5*13/14/(-10)
(24) 3*1*17/(-10)
(25) 6+(-12)+15-(-15)
(26) 15/9/13+(-7)
(27) 2/(-10)*1-(-8)
(28) 11/(-19)+(-14)-5
(29) 19-16+18/(-11)
(30) (-1)/19+(-5)+1
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -（ 3/2 + 4/5 ）
8. 7/8 + （ 1/8 + 1/9 ）
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
0.12χ＋1.8×0.9=7.2 (9－5χ)×0.3=1.02 6.4χ-χ=28+4.4
11. 7 × 5/49 + 3/14
12. 6 ×（ 1/2 + 2/3 ）
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - （ 2/7 – 10/21 ）
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50＋160÷40 （58+370）÷（64-45）
32.120-144÷18+35
33.347+45×2-4160÷52
34（58+37）÷（64-9×5）
35.95÷（64-45）
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷（9+31×11） （136+64）×（65-345÷23）
38.85+14×（14+208÷26）
39.（284+16）×（512-8208÷18）
40.120-36×4÷18+35
41.（58+37）÷（64-9×5）
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×（3.87-0.13）+4.2×3.74
50.32.52-（6+9.728÷3.2）×2.5
新华书店一天内销售两种书籍，甲种书籍共卖得1560元，为了发展农业科技，仪种书送下乡共卖得1350元，若按甲、乙种书籍亏本10%，问该书店这一天共盈利（或亏本）多少元?
疯了，说说而已
扩展阅读：扫一扫题目出答案 ... 初一混合计算题100道 ... 初一数学必练100题 ... 初一有理数题库200道 ... 初一上册数学教学视频 ... 初一有理数单元测试卷 ... 初一必考100题免费 ... 七年级计算题50道 ... 初一数学50道计算题 ...
