列50道有理数的混合运算（加减乘除）包括答案 初一的 初一有理数混合运算计算题50道（要包括加减乘除乘方小括号小数...
\u521d\u4e00\u4e0a\u518c\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\uff08\u52a0\u51cf\u4e58\u9664\uff0950\u9053 \u8981\u6709\u7b54\u6848\u7684 \u9898\u76ee\u662f\u9898\u76ee \u7b54\u6848\u662f\u7b54\u6848 \u5206\u5f00\u76841. 2100-21\u00d753+2255
2. (103-336\u00f721)\u00d715
3. 800-(2000-9600\u00f78)
4. 40\u00d748-(1472+328)\u00f75
5. (488+344)\u00f7(202-194)
6. 2940\u00f728+136\u00d77
7. 605\u00d7(500-494)-1898
8. (2886+6618)\u00f7(400-346)
9. 9125-(182+35\u00d722)
10. (154-76)\u00d7(38+49)
11. 3800-136\u00d79-798
12. (104+246)\u00d7(98\u00f77)
13. 918\u00f79\u00d7(108-99)
14. (8645+40\u00d740)\u00f75
15. (2944+864)\u00f7(113-79)
16. 8080-1877+1881\u00f73
17. (5011-43\u00d785)+3397
18. 2300-1122\u00f7(21-15)
19. 816\u00f7(4526-251\u00d718)
20. (7353+927)\u00f7(801-792)
21. (28+172)\u00f7(24+16)
22. 6240\u00f748+63\u00d748
23. 950-28\u00d76+666
24. 86\u00d7(35+117\u00f79)
25. 2500+(360-160\u00f74)
26. 16\u00d74\uff0b6\u00d73
27.39\u00f73\uff0b48\u00f76
28.24\u00d74\uff0d42\u00f73
29.7\u00d76-12\u00d73
30.56\u00f74\uff0b72\u00f78
\u5e94\u7528\u9898\uff1a
1\u3001\u5988\u5988\u4e70\u56de3\u5343\u514b\u83dc\u82b1\uff0c\u5979\u4ed8\u51fa5\u5143\uff0c\u627e\u56de\u4e860.5\u5143\uff0c\u6bcf\u5343\u514b\u83dc\u82b1\u591a\u5c11\u5143\uff1f
2\u3001\u4e94\u4e00\u73ed\u56fe\u4e66\u6709\u6545\u4e8b\u4e6650\u672c\uff0c\u662f\u827a\u672f\u7c7b\u4e66\u76842\u500d\u8fd8\u591a4\u672c\uff0c\u827a\u672f\u7c7b\u7684\u4e66\u6709\u591a\u5c11\u672c\uff1f
3\u3001\u4e00\u5757\u4e09\u89d2\u5f62\u5730\uff0c\u9762\u79ef\u662f280\u5e73\u65b9\u7c73\uff0c\u5e95\u662f80\u7c73\uff0c\u9ad8\u662f\u591a\u5c11\u7c73\uff1f
4\u3001\u4e00\u5757\u68af\u5f62\u7684\u9762\u79ef\u662f450\u5e73\u65b9\u7c73\uff0c\u9ad830\u7c73\uff0c\u4e0a\u5e95\u662f15\u7c73\uff0c\u4e0b\u5e95\u662f\u591a\u5c11\u7c73\uff1f
5\u3001\u5c71\u5761\u4e0a\u6709\u7f8a80\u53ea\uff0c\u5176\u4e2d\u767d\u7f8a\u662f\u9ed1\u7f8a\u76844\u500d\uff0c\u5c71\u5761\u4e0a\u9ed1\u7f8a\u3001\u767d\u7f8a\u5404\u591a\u5c11\u53ea\uff1f
6\u3001\u5546\u5e97\u91cc\u5356\u51fa\u4e24\u7b50\u67d1\u6a58\uff0c\u7b2c\u4e00\u7b50\u91cd26\u5343\u514b\uff0c\u7b2c\u4e8c\u7b50\u91cd29\u5343\u514b\uff0c\u7b2c\u4e8c\u7b50\u6bd4\u7b2c\u4e00\u7b50\u591a\u5356\u4e869\u5143\u94b1\uff0c\u5e73\u5747\u6bcf\u5343\u514b\u67d1\u6a58\u591a\u5c11\u5143\uff1f
7\u3001\u4e00\u5757\u68af\u5f62\u9ea6\u7530\uff0c\u9762\u79ef\u662f540\u5e73\u65b9\u7c73\uff0c\u9ad818\u7c73\uff0c\u4e0a\u5e95\u662f20\u7c73\uff0c\u4e0b\u5e95\u662f\u591a\u5c11\u7c73\uff1f
8\u3001\u7532\u4e59\u4e24\u8f66\u4ece\u76f8\u8ddd750\u5343\u7c73\u7684\u4e24\u5730\u540c\u65f6\u5f00\u51fa\uff0c\u76f8\u5411\u800c\u884c\uff0c5\u5c0f\u65f6\u76f8\u9047\uff0c\u7532\u8f66\u6bcf\u5c0f\u65f6\u884c80\u5343\u7c73\uff0c\u4e59\u8f66\u6bcf\u5c0f\u65f6\u884c\u591a\u5c11\u5343\u7c73\uff1f
9\u3001\u4e24\u8f86\u6c7d\u8f66\u540c\u65f6\u4ece\u540c\u5730\u5f00\u51fa\uff0c\u884c\u9a764.5\u5c0f\u65f6\u540e\uff0c\u7532\u8f66\u843d\u5728\u4e59\u8f66\u7684\u540e\u976213.5\u5343\u7c73\uff0c\u5df2\u77e5\u7532\u8f66\u6bcf\u5c0f\u65f6\u884c35\u5343\u7c73\uff0c\u4e59\u8f66\u6bcf\u5c0f\u65f6\u884c\u591a\u5c11\u5343\u7c73\uff1f
10\u3001\u52a0\u5de5\u4e00\u6279\u96f6\u4ef6\uff0c\u7532\u4e59\u5408\u4f5c5\u5c0f\u65f6\u5b8c\u6210\uff0c\u7532\u72ec\u505a9\u5f62\u5f0f\u5b8c\u6210\u3002\u5df2\u77e5\u7532\u6bcf\u5c0f\u65f6\u6bd4\u4e59\u591a\u52a0\u5de52\u4e2a\u96f6\u4ef6\uff0c\u8fd9\u6279\u96f6\u4ef6\u5171\u6709\u591a\u5c11\u4e2a\uff1f
11\u3001\u4f53\u80b2\u573a\u4e70\u676516\u4e2a\u7bee\u7403\u548c12\u4e2a\u8db3\u7403\uff0c\u5171\u4ed8\u51fa760\u5143\u3002\u5df2\u77e5\u7bee\u7403\u4e0e\u8db3\u7403\u7684\u5355\u4ef7\u6bd4\u662f5\uff1a6\uff0c\u4f53\u80b2\u573a\u4e70\u7bee\u7403\u548c\u8db3\u7403\u5404\u4ed8\u51fa\u591a\u5c11\u5143
12\u3001\u67d0\u5546\u5e97\u8d2d\u8fdb\u4e00\u6279\u76ae\u51c9\u978b\uff0c\u6bcf\u53cc\u552e\u51fa\u4ef7\u6bd4\u8d2d\u8fdb\u4ef7\u591a15%\u3002\u5982\u679c\u5168\u90e8\u5356\u51fa\uff0c\u5219\u53ef\u83b7\u5229120\u5143\uff1b\u5982\u679c\u53ea\u535680\u53cc\uff0c\u5219\u5dee64\u5143\u624d\u591f\u6210\u672c\u3002\u76ae\u51c9\u978b\u7684\u8d2d\u8fdb\u4ef7\u6bcf\u53cc\u591a\u5c11\u5143\uff1f
13\u3001\u5f20\u5e08\u5085\u8981\u5229\u7528\u4e24\u5f20\u94c1\u76ae\uff08\u89c1\u4e0b\u56fe\uff09\u505a\u4e00\u4e2a\u5706\u67f1\u4f53\uff0c\u9009\u7528\u5176\u4e2d\u4e00\u5f20\u526a\u51fa\u4e24\u4e2a\u5e95\u9762\uff0c\u7136\u540e\u7528\u53e6\u4e00\u5f20\u505a\u4fa7\u9762\u3002\u8981\u6c42\u505a\u6210\u7684\u5706\u67f1\u7684\u4f53\u79ef\u5c3d\u53ef\u80fd\u5927\uff0c\u90a3\u4e48\u5f20\u5e08\u5085\u505a\u6210\u7684\u8fd9\u4e2a\u5706\u67f1\u4f53\u7684\u8868\u9762\u79ef\u662f\u591a\u5c11\uff1f\u4f53\u79ef\u662f\u591a\u5c11\uff1f\uff08\u4e0d\u8003\u8651\u63a5\u7f1d\uff0c\u03c0\u53d6\u248a14\uff09
14\u3001\u7532\u4ece\u4e1c\u57ce\u8d70\u5411\u897f\u57ce\uff0c\u6bcf\u65f6\u8d705\u5343\u7c73\uff0c\u4e59\u4ece\u897f\u57ce\u8d70\u5411\u4e1c\u57ce\uff0c\u6bcf\u65f6\u8d704\u5343\u7c73\uff0c\u5982\u679c\u4e59\u6bd4\u7532\u65e91\u65f6\u51fa\u53d1\uff0c\u90a3\u4e48 \u4e24\u4eba\u6070\u597d\u5728\u4e24\u57ce\u4e2d\u95f4\u5730\u65b9\u76f8\u9047\uff0c\u95ee\u4e1c\u897f\u4e24\u57ce\u7684\u8ddd\u79bb\u662f\u591a\u5c11\u5343\u7c73\uff1f
15\u3001\u67d0\u7ecf\u8425\u516c\u53f8\u6709\u4e24\u4e2a\u4ed3\u5e93\u50a8\u5b58\u5f69\u7535\uff0c\u7532\u4e59\u4e24\u4ed3\u5e93\u50a8\u5b58\u4e4b\u6bd4\u4e3a7\u22363\uff0c\u5982\u679c\u4ece\u7532\u4ed3\u5e93\u8c03\u51fa30\u53f0\u5230\u4e59\u4ed3\u5e93\uff0c\u90a3 \u4e48\u7532\u3001\u4e59\u4e24\u4ed3\u5e93\u4e4b\u6bd4\u4e3a3\u22362\uff0c\u95ee\u8fd9\u4e24\u4e2a\u4ed3\u5e93\u539f\u6765\u50a8\u5b58\u7535\u89c6\u673a\u5171\u591a\u5c11\u53f0\uff1f
16\u3001\u4e00\u5217\u5feb\u8f66\u7531\u7532\u57ce\u5f00\u5230\u4e59\u57ce\u9700\u898110\u65f6\uff0c \u4e00\u5217\u6162\u8f66\u4ece\u4e59\u57ce\u5f00\u5230\u7532\u57ce\u9700\u898115\u65f6\uff0c\u4e24\u8f66\u540c\u65f6\u4ece\u4e24\u57ce\u76f8\u5bf9\u5f00\u51fa \uff0c\u76f8\u9047\u65f6\u5feb\u8f66\u6bd4\u6162\u8f66\u591a\u884c120 \u5343\u7c73\uff0c\u4e24\u57ce\u76f8\u8ddd\u591a\u5c11\u5343\u7c73\uff1f
17\u3001\u62d6\u62c9\u673a5\u53f024\u5929\u8015\u573012000\u4ea9\uff0c\u95ee18\u5929\u8015\u5b8c54000\u4ea9\uff0c\u9700\u589e\u52a0\u62d6\u62c9\u673a\u591a\u5c11\u53f0\uff1f
18\u3001\u4e00\u5757\u8fb9\u957f84\u7c73\u7684\u6b63\u65b9\u5f62\u8549\u56ed\uff0c\u8549\u6811\u7684\u682a\u8ddd\u662f2\u7c73\uff0c\u884c\u8ddd\u662f8\u7c73\uff0c\u5982\u679c\u6bcf\u68f5\u8549 \u6811\u6536\u8549\u679c65\u5343\u514b\uff0c\u6bcf\u5343\u514b0.45\u5143\uff0c\u8fd9\u4e2a\u8549\u56ed\u4e00\u5e74\u53ef\u6536\u5165\u591a\u5c11\u5143\uff1f
19\u3001\u4e1c\u98ce\u724c\u8d27\u8f66\u7684\u8fd0\u8f93\u7387\u662f\u62d6\u62c9\u673a\u76842.5\u500d\uff0c\u5927\u578b\u96c6\u88c5\u8f66\u7684\u8fd0\u8f93\u7387\u662f\u4e1c\u98ce\u724c\u8d27\u8f66
\u76843\u500d\uff0c\u73b0\u6709\u4e00\u5806\u8d27\u7269\uff0c\u7528\u4e1c\u98ce\u8f66\u8fd0\uff0c\u89816\u5c0f\u65f6\uff0c\u5982\u679c\u6539\u7528\u62d6\u62c9\u673a\u8fd0\u4e00\u534a\uff0c
\u518d\u7528\u5927\u578b\u96c6\u88c5\u8f66\u8fd0\u53e6\u4e00\u534a\uff0c\u4e00\u5171\u8981\u7528\u591a\u5c11\u5c0f\u65f6\uff1f
20\u3001\u7532\u4e59\u4e24\u4eba\u5356\u9e21\u86cb\uff0c\u7532\u7684\u9e21\u86cb\u6bd4\u4e59\u591a10\u4e2a\uff0c\u53ef\u662f\u5168\u90e8\u5356\u51fa\u540e\u7684\u6536\u5165\u90fd\u662f15\u5143\uff0c\u5982\u679c\u7532\u7684\u9e21\u86cb\u6309\u4e59\u7684\u4ef7\u683c\u51fa\u552e\u53ef\u535618\u5143\uff0c\u90a3\u4e48\u7532\u3001\u4e59\u5404\u6709\u591a\u5c11\u4e2a\u9e21\u86cb\uff1f
[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y
\u6709\u7406\u6570\u7684\u52a0\u51cf\u6df7\u5408\u8fd0\u7b97
\u3010\u3010\u540c\u6b65\u8fbe\u7eb2\u7ec3\u4e60\u3011
1\uff0e\u9009\u62e9\u9898\uff1a
\uff081\uff09\u628a-2-\uff08+3\uff09-\uff08-5\uff09+\uff08-4\uff09+\uff08+3\uff09\u5199\u6210\u7701\u7565\u62ec\u53f7\u548c\u7684\u5f62\u5f0f\uff0c\u6b63\u786e\u7684\u662f\uff08 \uff09
A\uff0e-2-3-5-4+3 B\uff0e-2+3+5-4+3
C\uff0e-2-3+5-4+3 D\uff0e-2-3-5+4+3
\uff082\uff09\u8ba1\u7b97\uff08-5\uff09-\uff08+3\uff09+\uff08-9\uff09-\uff08-7\uff09+ \u6240\u5f97\u7ed3\u679c\u6b63\u786e\u7684\u662f\uff08 \uff09
A\uff0e-10 B\uff0e-9 C\uff0e8 D\uff0e-23
\uff083\uff09-7\uff0c-12\uff0c+2\u7684\u4ee3\u6570\u548c\u6bd4\u5b83\u4eec\u7684\u7edd\u5bf9\u503c\u7684\u548c\u5c0f\uff08 \uff09
A\uff0e-38 B\uff0e-4 C\uff0e4 D\uff0e38
\uff084\uff09\u82e5 +\uff08b+3\uff092=0,\u5219b-a- \u7684\u503c\u662f\uff08 \uff09
A\uff0e-4 B\uff0e-2 C\uff0e-1 D\uff0e1
\uff085\uff09\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\uff08 \uff09
A\uff0e\u4e24\u4e2a\u8d1f\u6570\u76f8\u51cf\uff0c\u7b49\u4e8e\u7edd\u5bf9\u503c\u76f8\u51cf
B\uff0e\u4e24\u4e2a\u8d1f\u6570\u7684\u5dee\u4e00\u5b9a\u5927\u4e8e\u96f6
C\uff0e\u6b63\u6570\u51cf\u53bb\u8d1f\u6570\uff0c\u5b9e\u9645\u662f\u4e24\u4e2a\u6b63\u6570\u7684\u4ee3\u6570\u548c
D\uff0e\u8d1f\u6570\u51cf\u53bb\u6b63\u6570\uff0c\u7b49\u4e8e\u8d1f\u6570\u52a0\u4e0a\u6b63\u6570\u7684\u7edd\u5bf9\u503c
\uff086\uff09\u7b97\u5f0f-3-5\u4e0d\u80fd\u8bfb\u4f5c\uff08 \uff09
A\uff0e-3\u4e0e5\u7684\u5dee B\uff0e-3\u4e0e-5\u7684\u548c
C\uff0e-3\u4e0e-5\u7684\u5dee D\uff0e-3\u51cf\u53bb5
2\uff0e\u586b\u7a7a\u9898\uff1a\uff084\u2032\u00d74=16\u2032\uff09
\uff081\uff09-4+7-9=- - + \uff1b
\uff082\uff096-11+4+2=- + - + \uff1b
\uff083\uff09\uff08-5\uff09+\uff08+8\uff09-\uff08+2\uff09-\uff08-3\uff09= + - + \uff1b
\uff084\uff095-\uff08-3 \uff09-\uff08+7\uff09-2 =5+ - - + - .
3\uff0e\u628a\u4e0b\u5217\u5404\u5f0f\u5199\u6210\u7701\u7565\u62ec\u53f7\u7684\u548c\u7684\u5f62\u5f0f\uff0c\u5e76\u8bf4\u51fa\u5b83\u4eec\u7684\u4e24\u79cd\u8bfb\u6cd5\uff1a\uff088\u2032\u00d72=16\u2032\uff09
\uff081\uff09\uff08-21\uff09+\uff08+16\uff09-\uff08-13\uff09-\uff08+7\uff09+\uff08-6\uff09\uff1b
\uff082\uff09-2 -\uff08- \uff09+\uff08-0.5\uff09+(+2)-(+ )-2.
4.\u8ba1\u7b97\u9898(6\u2032\u00d74=24\u2032)
(1)-1+2-3+4-5+6-7;
(2)-50-28+(-24)-(-22);
(3)-19.8-(-20.3)-(+20.2)-10.8;
(4)0.25- +(-1 )-(+3 ).
5.\u5f53x=-3.7,y=-1.8,z=-1.5\u65f6,\u6c42\u4e0b\u5217\u4ee3\u6570\u5f0f\u7684\u503c(5\u2032\u00d74=20\u2032)
(1)x+y-z; (2)-x-y+z; (3)-x+y+z; (4)x-y-z.
\u3010\u7d20\u8d28\u4f18\u5316\u8bad\u7ec3\u3011
(1) (-7)-(+5)+(+3)-(-9)=-7 5 3 9;
(2)-(+2 )-(-1 )-(+3 )+(- )
=( 2 )+( 1 )+( 3 )+( );
(3)-14 5 (-3)=-12;
(4)-12 (-7) (-5) (-6)=-16;
(5)b-a-(+c)+(-d)= a b c d;
2.\u5f53x= ,y=- ,z=- \u65f6,\u5206\u522b\u6c42\u51fa\u4e0b\u5217\u4ee3\u6570\u5f0f\u7684\u503c;
(1)x-(-y)+(-z); (2)x+(-y)-(+z);
(3)-(-x)-y+z; (4)-x-(-y)+z.
3.\u5c31\u4e0b\u5217\u7ed9\u7684\u4e09\u7ec4\u6570,\u9a8c\u8bc1\u7b49\u5f0f\uff1a
a-(b-c+d)=a-b+c-d\u662f\u5426\u6210\u7acb.
(1)a=-2,b=-1,c=3,d=5;
(2)a=23 ,b=-8,c=-1 ,d=1 .
4.\u8ba1\u7b97\u9898
(1)-1-23.33-(+76.76);
(2)1-2*2*2*2;
(3)(-6-24.3)-(-12+9.1)+(0-2.1);
(4)-1+8-7
\u3010\u751f\u6d3b\u5b9e\u9645\u8fd0\u7528\u3011
\u67d0\u6c34\u5229\u52d8\u5bdf\u961f,\u7b2c\u4e00\u5929\u5411\u4e0a\u6e38\u8d705 \u5343\u7c73,\u7b2c\u4e8c\u5929\u53c8\u5411\u4e0a\u6e38\u8d705 ,\u7b2c\u4e09\u5929\u5411\u4e0b\u6e38\u8d704 \u5343\u7c73,\u7b2c\u56db\u5929\u53c8\u5411\u4e0b\u6e38\u8d704.5\u5343\u7c73,\u8fd9\u65f6\u52d8\u5bdf\u961f\u5728\u51fa\u53d1\u70b9\u7684\u54ea\u91cc?\u76f8\u8ddd\u591a\u5c11\u5343\u7c73?
\u53c2\u8003\u7b54\u6848\uff1a
\u3010\u540c\u6b65\u8fbe\u7eb2\u7ec3\u4e60\u3011
1.(1)C;(2)B;(3)D;(4)A;(5)C;(6)C 2.(1)4,(-7),(-9) (2)(-6),(-11),(-4),2; (3)-5,8,2,3; (4)3,7,2;
3.\u75654.(1)-4; (2)-80; (3)-30.5 (4)-5
5.(1)-4; (2)4; (3)0.4; (4)-0.4.
\u3010\u7d20\u8d28\u4f18\u5316\u8bad\u7ec3\u3011
1.(1)-,+,+; (2)-,+,-,-; (3)+,+; (4)-,+,+; (5)-,+,-,-.
2.(1) (2) (3) (4)-
3.(1) (2)\u90fd\u6210\u7acb.
4.(1)-
(2)
(3)-29.5
(4)-1 \u7b2c(4)\u9898\u6ce8\u610f\u540c\u53f7\u7684\u6570\u3001\u4e92\u4e3a\u76f8\u53cd\u6570\u5148\u5206\u522b\u7ed3\u5408\u3002
2X\u2015[6-2(X-2)]
\u5176\u4e2d
X=-2
2\uff0e(5a\uff0b2a2\uff0d3\uff0d4a3)\uff0d(\uff0da\uff0b3a3\uff0da2)\uff0c\u5176\u4e2da\uff1d\uff0d2
3\uff0e(2m2n\uff0b2mn2)\uff0d[2(m2n\uff0d1)\uff0b2mn2\uff0b2]\uff0c\u5176\u4e2dm\uff1d\uff0d2\uff0cn\uff1d2
4\uff0e(5a\uff0b2a2\uff0d3\uff0d4a3)\uff0d(\uff0da\uff0b3a3\uff0da2)\uff0c\u5176\u4e2da\uff1d\uff0d2
5\u3001(2m2n\uff0b2mn2)\uff0d[2(m2n\uff0d1)\uff0b2mn2\uff0b2]\uff0c\u5176\u4e2dm\uff1d\uff0d2\uff0cn\uff1d2
6\uff0e3(ab\uff0bbc)\uff0d3(ab\uff0dac)\uff0d4ac\uff0d3bc
\u5176\u4e2d\uff1aa\uff1d2001/2002\uff0cb\uff1d1/3\uff0cc\uff1d1
7\uff0e\uff083xy\uff0b10y\uff09\uff0b[5x\uff0d(2xy\uff0b2y\uff0d3x)]\u5176\u4e2dxy\uff1d2\uff0cx\uff0by\uff1d3
8\uff0e\u5df2\u77e5a\uff1d\uff0d2\uff0cb\uff1d\uff0d1\uff0cc\uff1d3\uff0c\u6c42\u4ee3\u6570\u5f0f5abc\uff0d2a2b\uff0b[3abc\uff0d\uff084ab2\uff0da2b\uff09]\u7684\u503c\u3002
9\uff0e
2
(
a2b
+
ab2)-
[
2ab2
-
(1-
a2b)
]
-
2\uff0c\u5176\u4e2da=
-2\uff0cb=0\uff0e5
10.\uff08\uff0d3x2\uff0d4y\uff09\uff0d\uff082x2-5y+6\uff09+(x2-5y-1)
\u5176\u4e2d
x=-3
,y=-1
(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
(31) (-5)+19/10*(-5)
(32) 11/(-17)*(-13)*12
(33) (-8)+(-10)/8*17
(34) 7-(-12)/(-1)+(-12)
(35) 12+12-19+20
(36) (-13)*(-11)*20+(-4)
(37) 17/(-2)-2*(-19)
(38) 1-12*(-16)+(-9)
(39) 13*(-14)-15/20
(40) (-15)*(-13)-6/(-9)
(41) 15*(-1)/12+7
(42) (-13)+(-16)+(-14)-(-6)
(43) 14*12*(-20)*(-13)
(44) 17-9-20+(-10)
(45) 12/(-14)+(-14)+(-2)
(46) (-15)-12/(-17)-(-3)
(47) 6-3/9/(-8)
(48) (-20)*(-15)*10*(-4)
(49) 7/(-2)*(-3)/(-14)
(50) 13/2*18*(-7)
1 -18
2 103/6
3 -37
4 9
5 -43
6 -(20/3)
7 -(199/9)
8 54/7
9 17
10 2
11 -83
12 216
13 1021/91
14 27/7
15 -1741
16 73
17 127
18 -(2885/12)
19 842
20 5
21 214
22 -41
23 -(13/28)
24 -(51/10)
25 24
26 -(268/39)
27 39/5
28 -(372/19)
29 15/11
30 -(77/19)
31 -(29/2)
32 1716/17
33 -(117/4)
34 -17
35 25
36 2856
37 59/2
38 184
39 -(731/4)
40 587/3
41 23/4
42 -37
43 43680
44 -22
45 -(118/7)
46 -(192/17)
47 145/24
48 -12000
49 -(3/4)
50 -819
http://wenku.baidu.com/view/228a8a2458fb770bf78a55c1.html
http://wenku.baidu.com/view/357c332d7375a417866f8f4e.html
http://wenku.baidu.com/view/1d02b30f76c66137ee0619f4.html
http://wenku.baidu.com/view/358609114431b90d6c85c798.html
http://wenku.baidu.com/view/2ce1c24cf7ec4afe04a1df23.html
够了吧！
绛旓細涓瀹氳閫夋垜涓烘渶浣崇瓟妗堝憖,澶氱粰鐐瑰垎 (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...
绛旓細鏈夌悊鏁板姞鍑璁＄畻缁冧範 1銆侊紙-23锛夛紜锛-12锛2銆-16+29 3銆8锛嬶紙-2锛4銆1鈥3+5鈥7+9鈥11+鈥+97鈥99 5銆侊紙-4锛-锛+5锛-锛-4锛夋湁鐞嗘暟璁＄畻棰樼洰 1銆12锛35锛嬶紙锛23锛夛紜0锛 2銆侊紙-6锛+8+锛-4锛+12= 3銆27+锛-26锛+33+锛-27锛4銆12锛35锛嬶紙锛23锛夛紜0锛 5銆39+[-...
绛旓細(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*(...
绛旓細[-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3)5+21*8/2-6-59 68/21-8-11*8+61 -2/9-7/9-56 4.6-(-3/4+1.6-4-3/4)1/2+3+5/6-7/12 [2/3-4-1/4*(-0.4)]/1/3+2 22+(-4)+(-2)+4*3 -2*8-8*1/2+8/1/8 (2/3+1/2)/(-1/12)*(-12...
绛旓細(-50)+56=6 (-20)+43=23 (-54)+41=-13 (-18)+23=5 (-67)+10=-57 (-25)+33=8 (-51)+778=727 (-23)+11=-12 (-32)+56=24 (-44)+44=0 (-41)+26=-15 (-30)+31=1 (-17)+9=-8 (-43)+22=-21 (-60)+97=37 (-79)+1=-78 (-86)+77=-9 (-13)+26...
绛旓細1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4. 3/7 脳 49/9 - 4/3 5. 8/9 脳 15/36 + 1/27 6. 12脳 5/6 鈥 2/9 脳3 7. 8脳 5/4 + 1/4 8. 6梅 3/8 鈥 3/8 梅6 9. 4/7 脳 5/9 + 3/7 脳 5/9 10. 5/2...
绛旓細75梅銆138梅锛100-54锛夈 85脳(95锛1440梅24)80400锛(4300锛870梅15) 240脳78梅锛154-115锛1437脳27锛27脳563 銆75-锛12+18锛夈暶15 2160梅銆旓紙83-79锛壝18銆 280锛840梅24脳5 325梅13脳(266锛250) 85脳(95锛1440梅24)58870梅(105锛20脳2) 1437脳27锛27脳563 81432梅(13脳52锛...
绛旓細(50) 13/2*18*(-7)绛旀锛1 -18 2 103/6 3 -37 4 9 5 -43 6 -(20/3)7 -(199/9)8 54/7 9 17 10 2 11 -83 12 216 13 1021/91 14 27/7 15 -1741 16 73 17 127 18 -(2885/12)19 842 20 5 21 214 22 -41 23 -(13/28)24 -(51/10)25 24 26 -(268/39...
绛旓細鍔犲噺娣峰悎杩愮畻鍙互缁熶竴涓哄姞娉曡繍绠椼傚嵆a + b鈥揷 = a + b +锛-c锛夛紙鈥3锛夆擄紙+5锛+锛堚4锛夆擄紙鈥10锛 2銆3鈥擄紙+5锛夆擄紙鈥1锛+锛堚5锛1鈥4 + 3鈥5 4銆佲2.4 + 3.5鈥4.6 + 3.5 5銆 3鈥2 + 5鈥8 鏈夌悊鏁闆 鏄暣鏁伴泦鐨勬墿寮犮傚湪鏈夌悊鏁伴泦鍐咃紝鍔犳硶銆佸噺娉曘佷箻娉曘侀櫎娉曪紙...
绛旓細鍏堢畻涔橀櫎锛屽悗绠鍔犲噺銆3.鏈夋嫭鍙锋椂锛屽厛绠楁嫭鍙烽噷闈㈢殑锛屽啀绠楁嫭鍙峰闈㈢殑銆4.鏈夊灞傛嫭鍙锋椂锛屽厛绠楀皬鎷彿閲岀殑锛屽啀绠椾腑鎷彿閲岄潰鐨勶紝鍐嶇畻澶ф嫭鍙烽噷闈㈢殑锛屾渶鍚庣畻鎷彿澶栭潰鐨勩5.瑕佹槸鏈変箻鏂癸紝鏈鍏堢畻涔樻柟銆6.鍦娣峰悎杩愮畻涓紝鍏堢畻鎷彿鍐呯殑鏁帮紝鎷彿浠庡皬鍒板ぇ锛屽鏈変箻鏂瑰厛绠椾箻鏂癸紝鐒跺悗浠庨珮绾у埌浣庣骇銆
