求400道初一下的有理数计算题
\u6c4250\u9053\u521d\u4e00\u6709\u7406\u6570\u8ba1\u7b97\u9898\uff0c\u5e26\u7b54\u6848\uff01\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97
\u6559\u5b66\u76ee\u6807
1\uff0e\u8fdb\u4e00\u6b65\u638c\u63e1\u6709\u7406\u6570\u7684\u8fd0\u7b97\u6cd5\u5219\u548c\u8fd0\u7b97\u5f8b\uff1b
2\uff0e\u4f7f\u5b66\u751f\u80fd\u591f\u719f\u7ec3\u5730\u6309\u6709\u7406\u6570\u8fd0\u7b97\u987a\u5e8f\u8fdb\u884c\u6df7\u5408\u8fd0\u7b97\uff1b
3\uff0e\u6ce8\u610f\u57f9\u517b\u5b66\u751f\u7684\u8fd0\u7b97\u80fd\u529b\uff0e
\u6559\u5b66\u91cd\u70b9\u548c\u96be\u70b9
\u91cd\u70b9\uff1a\u6709\u7406\u6570\u7684\u6df7\u5408\u8fd0\u7b97\uff0e
\u96be\u70b9\uff1a\u51c6\u786e\u5730\u638c\u63e1\u6709\u7406\u6570\u7684\u8fd0\u7b97\u987a\u5e8f\u548c\u8fd0\u7b97\u4e2d\u7684\u7b26\u53f7\u95ee\u9898\uff0e
\u8bfe\u5802\u6559\u5b66\u8fc7\u7a0b\u8bbe\u8ba1
\u4e00\u3001\u4ece\u5b66\u751f\u539f\u6709\u8ba4\u77e5\u7ed3\u6784\u63d0\u51fa\u95ee\u9898
1\uff0e\u8ba1\u7b97(\u4e94\u5206\u949f\u7ec3\u4e60)\uff1a
(5)-252\uff1b (6)(-2)3\uff1b(7)-7+3-6\uff1b (8)(-3)\u00d7(-8)\u00d725\uff1b
(13)(-616)\u00f7(-28)\uff1b (14)-100-27\uff1b (15)(-1)101\uff1b (16)021\uff1b
(17)(-2)4\uff1b (18)(-4)2\uff1b (19)-32\uff1b (20)-23\uff1b
(24)3.4\u00d7104\u00f7(-5)\uff0e
2\uff0e\u8bf4\u4e00\u8bf4\u6211\u4eec\u5b66\u8fc7\u7684\u6709\u7406\u6570\u7684\u8fd0\u7b97\u5f8b\uff1a
\u52a0\u6cd5\u4ea4\u6362\u5f8b\uff1aa+b=b+a\uff1b
\u52a0\u6cd5\u7ed3\u5408\u5f8b\uff1a(a+b)+c=a+(b+c)\uff1b
\u4e58\u6cd5\u4ea4\u6362\u5f8b\uff1aab=ba\uff1b
\u4e58\u6cd5\u7ed3\u5408\u5f8b\uff1a(ab)c=a(bc)\uff1b
\u4e58\u6cd5\u5206\u914d\u5f8b\uff1aa(b+c)=ab+ac.
\u4e8c\u3001\u8bb2\u6388\u65b0\u8bfe
\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u5b66\u4e60\u4e86\u6709\u7406\u6570\u7684\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664\u3001\u4e58\u65b9\u7b49\u8fd0\u7b97\uff0c\u82e5\u5728\u4e00\u4e2a\u7b97\u5f0f\u91cc\uff0c\u542b\u6709\u4ee5\u4e0a\u7684\u6df7\u5408\u8fd0\u7b97\uff0c\u6309\u600e\u6837\u7684\u987a\u5e8f\u8fdb\u884c\u8fd0\u7b97\uff1f
1\uff0e\u5728\u53ea\u6709\u52a0\u51cf\u6216\u53ea\u6709\u4e58\u9664\u7684\u540c\u4e00\u7ea7\u8fd0\u7b97\u4e2d\uff0c\u6309\u7167\u5f0f\u5b50\u7684\u987a\u5e8f\u4ece\u5de6\u5411\u53f3\u4f9d\u6b21\u8fdb\u884c\uff0e
\u5ba1\u9898\uff1a(1)\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\uff1f
(2)\u7b26\u53f7\u5982\u4f55\uff1f
\u8bf4\u660e\uff1a\u542b\u6709\u5e26\u5206\u6570\u7684\u52a0\u51cf\u6cd5\uff0c\u65b9\u6cd5\u662f\u5c06\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\u76f8\u52a0\uff0c\u518d\u8ba1\u7b97\u7ed3\u679c\uff0e\u5e26\u5206\u6570\u5206\u6210\u6574\u6570\u90e8\u5206\u548c\u5206\u6570\u90e8\u5206\u65f6\u7684\u7b26\u53f7\u4e0e\u539f\u5e26\u5206\u6570\u7684\u7b26\u53f7\u76f8\u540c\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u5ba1\u9898\uff1a\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u786e\u5b9a\uff1f
\u6ce8\u610f\u7ed3\u679c\u4e2d\u7684\u8d1f\u53f7\u4e0d\u80fd\u4e22\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a(1)-2.5\u00d7(-4.8)\u00d7(0.09)\u00f7(-0.27)\uff1b
2\uff0e\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u4e0d\u540c\u7ea7\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u4e58\u65b9\u518d\u7b97\u4e58\u9664\uff0c\u6700\u540e\u7b97\u52a0\u51cf\uff0e
\u4f8b3 \u8ba1\u7b97\uff1a
(1)(-3)\u00d7(-5)2\uff1b (2)\u3014(-3)\u00d7(-5)\u30152\uff1b
(3)(-3)2-(-6)\uff1b (4)(-4\u00d732)-(-4\u00d73)2\uff0e
\u5ba1\u9898\uff1a\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\uff1f
\u89e3\uff1a(1)(-3)\u00d7(-5)2=(-3)\u00d725=-75\uff0e
(2)\u3014(-3)\u00d7(-5)\u30152=(15)2=225\uff0e
(3)(-3)2-(-6)=9-(-6)=9+6=15\uff0e
(4)(-4\u00d732)-(-4\u00d73)2
=(-4\u00d79)-(-12)2
=-36-144
=-180\uff0e
\u6ce8\u610f\uff1a\u641e\u6e05(1)\uff0c(2)\u7684\u8fd0\u7b97\u987a\u5e8f\uff0c(1)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u4e58\uff0c(2)\u4e2d\u5148\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\uff0c\u7136\u540e\u518d\u4e58\u65b9\uff0e(3)\u4e2d\u5148\u4e58\u65b9\uff0c\u518d\u76f8\u51cf\uff0c(4)\u4e2d\u7684\u8fd0\u7b97\u987a\u5e8f\u8981\u5206\u6e05\uff0c\u7b2c\u4e00\u9879(-4\u00d732)\u91cc\uff0c\u5148\u4e58\u65b9\u518d\u76f8\u4e58\uff0c\u7b2c\u4e8c\u9879(-4\u00d73)2\u4e2d\uff0c\u5c0f\u62ec\u53f7\u91cc\u5148\u76f8\u4e58\uff0c\u518d\u4e58\u65b9\uff0c\u6700\u540e\u76f8\u51cf\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
(1)-72\uff1b (2)(-7)2\uff1b (3)-(-7)2\uff1b
(7)(-8\u00f723)-(-8\u00f72)3\uff0e
\u4f8b4 \u8ba1\u7b97
(-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4\uff0e
\u5ba1\u9898\uff1a(1)\u5b58\u5728\u54ea\u51e0\u7ea7\u8fd0\u7b97\uff1f
(2)\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u786e\u5b9a\uff1f
\u89e3\uff1a (-2)2-(-52)\u00d7(-1)5+87\u00f7(-3)\u00d7(-1)4
=4-(-25)\u00d7(-1)+87\u00f7(-3)\u00d71(\u5148\u4e58\u65b9)
=4-25-29(\u518d\u4e58\u9664)
=-50\uff0e(\u6700\u540e\u76f8\u52a0)
\u6ce8\u610f\uff1a(-2)2=4\uff0c-52=-25\uff0c(-1)5=-1\uff0c(-1)4=1\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
(1)-9+5\u00d7(-6)-(-4)2\u00f7(-8)\uff1b
(2)2\u00d7(-3)3-4\u00d7(-3)+15\uff0e
3\uff0e\u5728\u5e26\u6709\u62ec\u53f7\u7684\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u5c0f\u62ec\u53f7\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\uff0c\u6700\u540e\u7b97\u5927\u62ec\u53f7\uff0e
\u8bfe\u5802\u7ec3\u4e60
\u8ba1\u7b97\uff1a
\u4e09\u3001\u5c0f\u7ed3
\u6559\u5e08\u5f15\u5bfc\u5b66\u751f\u4e00\u8d77\u603b\u7ed3\u6709\u7406\u6570\u6df7\u5408\u8fd0\u7b97\u7684\u89c4\u5f8b\uff0e
1\uff0e\u5148\u4e58\u65b9\uff0c\u518d\u4e58\u9664\uff0c\u6700\u540e\u52a0\u51cf\uff1b
2\uff0e\u540c\u7ea7\u8fd0\u7b97\u4ece\u5de6\u5230\u53f3\u6309\u987a\u5e8f\u8fd0\u7b97\uff1b
3\uff0e\u82e5\u6709\u62ec\u53f7\uff0c\u5148\u5c0f\u518d\u4e2d\u6700\u540e\u5927\uff0c\u4f9d\u6b21\u8ba1\u7b97\uff0e
\u56db\u3001\u4f5c\u4e1a
1\uff0e\u8ba1\u7b97\uff1a
2\uff0e\u8ba1\u7b97\uff1a
(1)-8+4\u00f7(-2)\uff1b (2)6-(-12)\u00f7(-3)\uff1b
(3)3�6�1(-4)+(-28)\u00f77\uff1b (4)(-7)(-5)-90\u00f7(-15)\uff1b
3\uff0e\u8ba1\u7b97\uff1a
4\uff0e\u8ba1\u7b97\uff1a
(7)1\u00f7(-1)+0\u00f74-(-4)(-1)\uff1b(8)18+32\u00f7(-2)3-(-4)2\u00d75\uff0e
5*\uff0e\u8ba1\u7b97(\u9898\u4e2d\u7684\u5b57\u6bcd\u5747\u4e3a\u81ea\u7136\u6570)\uff1a
(1)(-12)2\u00f7(-4)3-2\u00d7(-1)2n-1\uff1b
(4)\u3014(-2)4+(-4)2�6�1(-1)7\u30152m�6�1(53+35)\uff0e
\u7b2c\u4e8c\u4efd
\u521d\u4e00\u6570\u5b66\u6d4b\u8bd5\uff08\u516d\uff09
\uff08\u7b2c\u4e00\u7ae0 \u6709\u7406\u6570 2001\u300110\u300118\uff09 \u547d\u9898\u4eba\uff1a\u5b59\u671d\u4ec1 \u5f97\u5206
\u4e00\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517130\u5206\uff09
1\uff0e|\uff0d5|\u7b49\u4e8e\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\uff0d5 \uff08B\uff095 \uff08C\uff09\u00b15 \uff08D\uff090.2
2\uff0e\u5728\u6570\u8f74\u4e0a\u539f\u70b9\u53ca\u539f\u70b9\u53f3\u8fb9\u7684\u70b9\u6240\u8868\u793a\u7684\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\u6b63\u6570 \uff08B\uff09\u8d1f\u6570 \uff08C\uff09\u975e\u6b63\u6570 \uff08D\uff09\u975e\u8d1f\u6570
3\uff0e\u7528\u4ee3\u6570\u5f0f\u8868\u793a\u201c \u3001b\u4e24\u6570\u79ef\u4e0em\u7684\u5dee\u201d\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
4\uff0e\u5012\u6570\u7b49\u4e8e\u5b83\u672c\u8eab\u7684\u6570\u6709\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff09\u65e0\u6570\u4e2a
5\uff0e\u5728 \uff08n\u662f\u6b63\u6574\u6570\uff09\u8fd9\u516d\u6570\u4e2d\uff0c\u8d1f\u6570\u7684\u4e2a\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026( )
\uff08A\uff091\u4e2a \uff08B\uff092\u4e2a \uff08C\uff093\u4e2a \uff08D\uff094\u4e2a
6\uff0e\u82e5\u6570\u8f74\u4e0a\u7684\u70b9A\u3001B\u5206\u522b\u4e0e\u6709\u7406\u6570a\u3001b\u5bf9\u5e94\uff0c\u5219\u4e0b\u5217\u5173\u7cfb\u6b63\u786e\u7684\u662f\uff08 \uff09
\uff08A\uff09a\uff1cb \uff08B\uff09\uff0da\uff1cb \uff08C\uff09|a|\uff1c|b| \uff08D\uff09\uff0da\uff1e\uff0db
�6�1 �6�1 �6�1
7\uff0e\u82e5|a\uff0d2|=2\uff0da\uff0c\u5219\u6570a\u5728\u6570\u8f74\u4e0a\u7684\u5bf9\u5e94\u70b9\u5728
\uff08A\uff09 \u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7 \uff08B\uff09\u8868\u793a\u65702\u7684\u70b9\u7684\u53f3\u4fa7\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08C\uff09 \u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7
\uff08D\uff09\u8868\u793a\u65702\u7684\u70b9\u6216\u8868\u793a\u65702\u7684\u70b9\u7684\u5de6\u4fa7
8\uff0e\u8ba1\u7b97 \u7684\u7ed3\u679c\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
9\uff0e\u4e0b\u5217\u8bf4\u6cd5\u6b63\u786e\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \u6709\u7406\u6570\u5c31\u662f\u6b63\u6709\u7406\u6570\u548c\u8d1f\u6709\u7406\u6570\uff08B\uff09\u6700\u5c0f\u7684\u6709\u7406\u6570\u662f0
\uff08C\uff09\u6709\u7406\u6570\u90fd\u53ef\u4ee5\u5728\u6570\u8f74\u4e0a\u627e\u5230\u8868\u793a\u5b83\u7684\u4e00\u4e2a\u70b9\uff08D\uff09\u6574\u6570\u4e0d\u80fd\u5199\u6210\u5206\u6570\u5f62\u5f0f
10\uff0e\u4e0b\u5217\u8bf4\u6cd5\u4e2d\u9519\u8bef\u7684\u662f\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \u4efb\u4f55\u6b63\u6574\u6570\u90fd\u662f\u7531\u82e5\u5e72\u4e2a\u201c1\u201d\u7ec4\u6210
\uff08B\uff09 \u5728\u81ea\u7136\u6570\u96c6\u4e2d\uff0c\u603b\u53ef\u4ee5\u8fdb\u884c\u7684\u8fd0\u7b97\u662f\u52a0\u6cd5\u3001\u51cf\u6cd5\u3001\u4e58\u6cd5
\uff08C\uff09 \u4efb\u610f\u4e00\u4e2a\u81ea\u7136\u6570m\u52a0\u4e0a\u6b63\u6574\u6570n\u7b49\u4e8em\u8fdb\u884cn\u6b21\u52a01\u8fd0\u7b97
\uff08D\uff09\u5206\u6570 \u7684\u7279\u5f81\u6027\u8d28\u662f\u5b83\u4e0e\u6570m\u7684\u4e58\u79ef\u6b63\u597d\u7b49\u4e8en
\u4e8c\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u98984\u5206\uff0c\u517132\u5206\uff09
11\uff0e\uff0d0.2\u7684\u76f8\u53cd\u6570\u662f \uff0c\u5012\u6570\u662f \u3002
12\uff0e\u51b0\u7bb1\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u662f3\u2103\uff0c\u51b7\u51bb\u5ba4\u7684\u6e29\u5ea6\u6bd4\u51b7\u85cf\u5ba4\u7684\u6e29\u5ea6\u4f4e15\u2103\uff0c\u5219\u51b7\u51bb\u5ba4\u6e29\u5ea6\u662f \u2103\u3002
13\uff0e\u7d27\u63a5\u5728\u5947\u6570a\u540e\u9762\u7684\u4e09\u4e2a\u5076\u6570\u662f \u3002
14\uff0e\u7edd\u5bf9\u503c\u4e0d\u5927\u4e8e4\u7684\u8d1f\u6574\u6570\u662f \u3002
15\uff0e\u8ba1\u7b97\uff1a = \u3002
16\uff0e\u82e5a\uff1c0\uff0cb\uff1e0\uff0c|a|\uff1e|b|\uff0c\u5219a+b 0\u3002\uff08\u586b\u201c\uff1e\u201d\u6216\u201c=\u201d\u6216\u201c\uff1c\u201d\u53f7\uff09
17\uff0e\u5728\u62ec\u53f7\u5185\u7684\u6a2a\u7ebf\u4e0a\u586b\u5199\u9002\u5f53\u7684\u9879\uff1a2x\uff0d(3a\uff0d4b+c)=(2x\uff0d3a)\uff0d( )\u3002
18\uff0e\u89c2\u5bdf\u4e0b\u5217\u7b97\u5f0f\uff0c\u4f60\u5c06\u53d1\u73b0\u5176\u4e2d\u7684\u89c4\u5f8b\uff1a \uff1b \uff1b \uff1b \uff1b \uff1b\u2026\u2026\u8bf7\u7528\u540c\u4e00\u4e2a\u5b57\u6bcd\u8868\u793a\u6570\uff0c\u5c06\u4e0a\u8ff0\u5f0f\u5b50\u4e2d\u7684\u89c4\u5f8b\u7528\u7b49\u5f0f\u8868\u793a\u51fa\u6765\uff1a \u3002
\u4e09\u3001 \u8ba1\u7b97\uff08\u5199\u51fa\u8ba1\u7b97\u8fc7\u7a0b\uff09\uff1a\uff08\u6bcf\u98987\u5206\uff0c\u517128\u5206\uff09
19\uff0e 20\uff0e
21\uff0e \uff08n\u4e3a\u6b63\u6574\u6570\uff09
22\uff0e
\u56db\u3001\u82e5 \u3002\uff081\uff09\u6c42a\u3001b\u7684\u503c\uff1b\uff08\u672c\u98984\u5206\uff09
\uff082\uff09\u6c42 \u7684\u503c\u3002\uff08\u672c\u98986\u5206\uff09
\u7b2c\u4e09\u4efd
\u521d\u4e00\u6570\u5b66\u6d4b\u8bd5\uff08\u516d\uff09
\uff08\u7b2c\u4e00\u7ae0 \u6709\u7406\u6570 2001\u300110\u300118\uff09 \u547d\u9898\u4eba\uff1a\u5b59\u671d\u4ec1
\u73ed\u7ea7 \u59d3\u540d \u5f97\u5206
\u4e00\u3001 \u9009\u62e9\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517130\u5206\uff09
1\uff0e|-5|\u7b49\u4e8e\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09-5 \uff08B\uff095 \uff08C\uff09\u00b15 \uff08D\uff090.2
2\uff0e\u5728\u6570\u8f74\u4e0a\u539f\u70b9\u53ca\u539f\u70b9\u53f3\u8fb9\u7684\u70b9\u6240\u8868\u793a\u7684\u6570\u662f\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09\u6b63\u6570 \uff08B\uff09\u8d1f\u6570 \uff08C\uff09\u975e\u6b63\u6570 \uff08D\uff09\u975e\u8d1f\u6570
3\uff0e\u7528\u4ee3\u6570\u5f0f\u8868\u793a\u201c \u3001b\u4e24\u6570\u79ef\u4e0em\u7684\u5dee\u201d\u662f\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
\uff08A\uff09 \uff08B\uff09 \uff08C\uff09 \uff08D\uff09
4\uff0e\uff0d12+11\uff0d8+39=\uff08\uff0d12\uff0d8\uff09+\uff0811+39\uff09\u662f\u5e94\u7528\u4e86 \uff08 \uff09
A\u3001\u52a0\u6cd5\u4ea4\u6362\u5f8bB\u3001\u52a0\u6cd5\u7ed3\u5408\u5f8b C\u3001\u52a0\u6cd5\u4ea4\u6362\u5f8b\u548c\u7ed3\u5408\u5f8bD\u3001\u4e58\u6cd5\u5206\u914d\u5f8b
5\uff0e\u5c066\uff0d(+3)\uff0d(\uff0d7)+(\uff0d2)\u6539\u5199\u6210\u7701\u7565\u52a0\u53f7\u7684\u548c\u5e94\u662f ( )
A\u3001\uff0d6\uff0d3+7\uff0d2 B\u30016\uff0d3\uff0d7\uff0d2 C\u30016\uff0d3+7\uff0d2 D\u30016+3\uff0d7\uff0d2
6\uff0e\u82e5|x|=3\uff0c|y|=7\uff0c\u5219x\uff0dy\u7684\u503c\u662f \uff08 \uff09
A\u3001\u00b14 B\u3001\u00b110 C\u3001\uff0d4\u6216\uff0d10 D\u3001\u00b14\uff0c\u00b110
7\uff0e\u82e5a\u00d7b\uff1c0\uff0c\u5fc5\u6709 \uff08 \uff09
A\u3001a\uff1e0\uff0cb\uff1c0 B\u3001a\uff1c0\uff0cb\uff1e0 C\u3001a\u3001b\u540c\u53f7 D\u3001a\u3001b\u5f02\u53f7
8\uff0e\u5982\u679c\u4e24\u4e2a\u6709\u7406\u6570\u7684\u548c\u662f\u6b63\u6570\uff0c\u79ef\u662f\u8d1f\u6570\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u6709\u7406\u6570 \uff08 \uff09
A\u3001\u90fd\u662f\u6b63\u6570 B\u3001\u7edd\u5bf9\u503c\u5927\u7684\u90a3\u4e2a\u6570\u6b63\u6570\uff0c\u53e6\u4e00\u4e2a\u662f\u8d1f\u6570
C\u3001\u90fd\u662f\u8d1f\u6570 D\u3001\u7edd\u5bf9\u503c\u5927\u7684\u90a3\u4e2a\u6570\u8d1f\u6570\uff0c\u53e6\u4e00\u4e2a\u662f\u6b63\u6570
9\uff0e\u6587\u5177\u5e97\u3001\u4e66\u5e97\u548c\u73a9\u5177\u5e97\u4f9d\u6b21\u5ea7\u843d\u5728\u4e00\u6761\u4e1c\u897f\u8d70\u5411\u7684\u5927\u8857\u4e0a\uff0c\u6587\u5177\u5e97\u5728\u4e66\u5e97\u897f\u8fb920\u7c73\u5904\uff0c\u73a9\u5177\u5e97\u4f4d\u4e8e\u4e66\u5e97\u4e1c\u8fb9100\u7c73\u5904\uff0c\u5c0f\u660e\u4ece\u4e66\u5e97\u6cbf\u8857\u5411\u4e1c\u8d70\u4e8640\u7c73\uff0c\u63a5\u7740\u53c8\u5411\u4e1c\u8d70\u4e86\uff0d60\u7c73\uff0c\u6b64\u65f6\u5c0f\u660e\u7684\u4f4d\u7f6e\u5728 \uff08 \uff09
A\u3001\u6587\u5177\u5e97 B\u3001\u73a9\u5177\u5e97 C\u3001\u6587\u5177\u5e97\u897f\u8fb940\u7c73 D\u3001\u73a9\u5177\u5e97\u4e1c\u8fb9\uff0d60\u7c73
10\uff0e\u5df2\u77e5\u6709\u7406\u6570 \u3001 \u5728\u6570\u8f74\u4e0a\u7684\u4f4d\u7f6e\u5982\u56fe �6�1 �6�1 �6�1
\u6240\u793a\uff0c\u90a3\u4e48\u5728\u2460a\uff1e0\uff0c\u2461\uff0db\uff1c0\uff0c\u2462a\uff0db\uff1e0\uff0c
\u2463a+b\uff1e0\u56db\u4e2a\u5173\u7cfb\u5f0f\u4e2d\uff0c\u6b63\u786e\u7684\u6709 \uff08 \uff09
A\u30014\u4e2a B\u30013\u4e2a C\u30012\u4e2a D\u30011\u4e2a
\u4e8c\u3001 \u5224\u65ad\u9898\uff1a\uff08\u5bf9\u7684\u753b\u201c+\u201d\uff0c\u9519\u7684\u753b\u201c\u25cb\u201d\uff0c\u6bcf\u98981\u5206\uff0c\u51716\u5206\uff09
11\uff0e0.3\u65e2\u4e0d\u662f\u6574\u6570\u53c8\u4e0d\u662f\u5206\u6570\uff0c\u56e0\u800c\u5b83\u4e5f\u4e0d\u662f\u6709\u7406\u6570\u3002 \uff08 \uff09
12\uff0e\u4e00\u4e2a\u6709\u7406\u6570\u7684\u7edd\u5bf9\u503c\u7b49\u4e8e\u8fd9\u4e2a\u6570\u7684\u76f8\u53cd\u6570\uff0c\u8fd9\u4e2a\u6570\u662f\u8d1f\u6570\u3002 \uff08 \uff09
13\uff0e\u6536\u5165\u589e\u52a05\u5143\u8bb0\u4f5c+5\u5143\uff0c\u90a3\u4e48\u652f\u51fa\u51cf\u5c115\u5143\u8bb0\u4f5c\uff0d5\u5143\u3002 \uff08 \uff09
14\uff0e\u82e5a\u662f\u6709\u7406\u6570\uff0c\u5219\uff0da\u4e00\u5b9a\u662f\u8d1f\u6570\u3002 \uff08 \uff09
15\uff0e\u96f6\u51cf\u53bb\u4e00\u4e2a\u6709\u7406\u6570\uff0c\u4ecd\u5f97\u8fd9\u4e2a\u6570\u3002 \uff08 \uff09
16\uff0e\u51e0\u4e2a\u6709\u7406\u6570\u76f8\u4e58\uff0c\u82e5\u8d1f\u56e0\u6570\u7684\u4e2a\u6570\u4e3a\u5947\u6570\u4e2a\uff0c\u5219\u79ef\u4e3a\u8d1f\u3002 \uff08 \uff09
\u4e09\u3001 \u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u98983\u5206\uff0c\u517118\u5206\uff09
17\uff0e\u5728\u62ec\u53f7\u5185\u586b\u4e0a\u9002\u5f53\u7684\u9879\uff0c\u4f7f\u7b49\u5f0f\u6210\u7acb\uff1aa+b\uff0dc+d=a+b\uff0d\uff08 \uff09\u3002
18\uff0e\u6bd4\u8f83\u5927\u5c0f: \u2502\uff0d \u2502 \u2502\uff0d \u2502.(\u586b\u201c\uff1e\u201d\u6216\u201c\uff1c\u201d\u53f7)
19\uff0e\u5982\u56fe\uff0c\u6570\u8f74\u4e0a\u6807\u51fa\u7684\u70b9\u4e2d\u4efb\u610f\u76f8\u90bb\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb\u90fd\u76f8\u7b49\uff0c\u5219a\u7684\u503c= \u3002
�6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1 �6�1
20\uff0e\u4e00\u4e2a\u52a0\u6570\u662f0.1\uff0c\u548c\u662f\uff0d27.9\uff0c\u53e6\u4e00\u4e2a\u52a0\u6570\u662f \u3002
21\uff0e\uff0d9\uff0c+6\uff0c\uff0d3\u4e09\u6570\u7684\u548c\u6bd4\u5b83\u4eec\u7684\u7edd\u5bf9\u503c\u7684\u548c\u5c0f \u3002
22\uff0e\u7b49\u5f0f \u00d7\u3014\uff08\uff0d5\uff09+\uff08\uff0d13\uff09\u3015= \u6839\u636e\u7684\u8fd0\u7b97\u5f8b\u662f \u3002
\u56db\u3001 \u5728\u4e0b\u5217\u6a2a\u7ebf\u4e0a\uff0c\u76f4\u63a5\u586b\u5199\u7ed3\u679c\uff1a\uff08\u6bcf\u98982\u5206\uff0c\u517112\u5206\uff09
23\uff0e\uff0d2+3= \uff1b24\uff0e\uff0d27+(\uff0d51)= \uff1b 25\uff0e\uff0d18\uff0d34= \uff1b
26\uff0e\uff0d24\uff0d(\uff0d17)= \uff1b27\uff0e\uff0d14\u00d75= \uff1b 28\uff0e\uff0d18\u00d7(\uff0d2)= \u3002
\u4e94\u3001 \u8ba1\u7b97\uff08\u5199\u51fa\u8ba1\u7b97\u8fc7\u7a0b\uff09\uff1a\uff0829\u300130\u6bcf\u98986\u5206\uff0c31\u300132\u6bcf\u98987\u5206\uff0c\u517126\u5206\uff09
29\uff0e(\uff0d6)\uff0d(\uff0d7)+(\uff0d5)\uff0d(+9) 30\uff0e
31\uff0e 32\uff0e(\uff0d5)\u00d7(\uff0d3 )\uff0d15\u00d71 +\u3014 \uff0d( )\u00d724\u3015
\u516d\u3001 \u4e0b\u8868\u5217\u51fa\u4e86\u56fd\u5916\u51e0\u4e2a\u57ce\u5e02\u4e0e\u5317\u4eac\u7684\u65f6\u5dee\uff08\u5e26\u6b63\u53f7\u7684\u6570\u8868\u793a\u540c\u4e00\u65f6\u523b\u6bd4\u5317\u4eac\u65f6\u95f4\u65e9\u7684\u65f6\u6570\uff09\u3002
\u2474\u5982\u679c\u73b0\u5728\u7684\u5317\u4eac\u65f6\u95f4\u662f7\uff1a00\uff0c\u90a3\u4e48\u73b0\u5728\u7684\u7ebd\u7ea6\u65f6\u95f4\u662f\u591a\u5c11\uff1f
\u2475\u5c0f\u534e\u73b0\u5728\u60f3\u7ed9\u8fdc\u5728\u5df4\u9ece\u7684\u5916\u516c\u6253\u7535\u8bdd\uff0c\u4f60\u8ba4\u4e3a\u5408\u9002\u5417\uff1f\uff08\u6bcf\u5c0f\u98984\u5206\uff09
*\u662f\u4e58\u53f7\u3002
[-|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%
(1)-3.75+(+5/4)+(-1.5)
(2)(-17/4)+(-10/3)+(+13/3)+(11/3)
(3)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(4)(+1.3)-(+17/7)
(5)(-2)-(+2/3)
(6)|(-7.2)-(-6.3)+(1.1)|
(7)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(8)(-2/199)*(-7/6-3/2+8/3)
(9)4a)*(-3b)*(5c)*1/6
(10) 3/7 \u00d7 49/9 - 4/3
(11) 8/9 \u00d7 15/36 + 1/27
(12) 12\u00d7 5/6 \u2013 2/9 \u00d73
13) 8\u00d7 5/4 + 1/4
(14) 6\u00f7 3/8 \u2013 3/8 \u00f76
15 )4/7 \u00d7 5/9 + 3/7 \u00d7 5/9
16)5/2 -\uff08 3/2 + 4/5 \uff09
17. 7/8 + \uff08 1/8 + 1/9 \uff09
18. 9 \u00d7 5/6 + 5/6
19. 3/4 \u00d7 8/9 - 1/3
20.12\u03c7\uff0b1.8\u00d70.9=7.2 (9\uff0d5\u03c7)\u00d70.3=1.02 6.4\u03c7-\u03c7=28+4.4
21. 7 \u00d7 5/49 + 3/14
22. 6 \u00d7\uff08 1/2 + 2/3 \uff09
23. 8 \u00d7 4/5 + 8 \u00d7 11/5
24. 31 \u00d7 5/6 \u2013 5/6
25. 9/7 - \uff08 2/7 \u2013 10/21 \uff09
26. 5/9 \u00d7 18 \u2013 14 \u00d7 2/7
27. 4/5 \u00d7 25/16 + 2/3 \u00d7 3/4
28. 14 \u00d7 8/7 \u2013 5/6 \u00d7 12/15
29. 17/32 \u2013 3/4 \u00d7 9/24
30. 3 \u00d7 2/9 + 1/3
31. 5/7 \u00d7 3/25 + 3/7
32. 3/14 \u00d7\u00d7 2/3 + 1/6
33. 1/5 \u00d7 2/3 + 5/6
34. 9/22 + 1/11 \u00f7 1/2
35. 5/3 \u00d7 11/5 + 4/3
36. 45 \u00d7 2/3 + 1/3 \u00d7 15
37. 7/19 + 12/19 \u00d7 5/6
38. 1/4 + 3/4 \u00f7 2/3
39. 8/7 \u00d7 21/16 + 1/2
40. 101 \u00d7 1/5 \u2013 1/5 \u00d7 21
41.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
42.120-144\u00f718+35
43.347+45\u00d72-4160\u00f752
44\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
45.95\u00f7\uff0864-45\uff09
46.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
47.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
48.85+14\u00d7\uff0814+208\u00f726\uff09
49.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
50.120-36\u00d74\u00f718+35
51.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
52.(6.8-6.8\u00d70.55)\u00f78.5
53.0.12\u00d7 4.8\u00f70.12\u00d74.8
54.\uff083.2\u00d71.5+2.5\uff09\u00f71.6 \uff082\uff093.2\u00d7\uff081.5+2.5\uff09\u00f71.6
55.6-1.6\u00f74= 5.38+7.85-5.37=
456.7.2\u00f70.8-1.2\u00d75= 6-1.19\u00d73-0.43=
57.6.5\u00d7\uff084.8-1.2\u00d74\uff09= 0.68\u00d71.9+0.32\u00d71.9
58.10.15-10.75\u00d70.4-5.7
59.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
60.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
61.-5+58+13+90+78-(-56)+50
62.-7*2-57/(3
63.(-7)*2/(1/3)+79/(3+6/4\uff09
64.123+456+789+98/(-4)
65).369/33-(-54-31/15.5)
67).39+{3x[42/2x(3x8)]}
68)9x8x7/5x(4+6)
69).11x22/(4+12/2)
(70)94+(-60)/10
\u8db3\u8db370\u9898! \u81f3\u4e8e\u7b54\u6848\uff0c\u81ea\u5df1\u60f3\u5427\u3002\u5b66\u4e60\u4e0d\u662f\u9760\u8981\u522b\u4eba\u6765\u5b66\u7684\u3002
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -（ 3/2 + 4/5 ）
11. 7/8 + （ 1/8 + 1/9 ）
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×（ 1/2 + 2/3 ）
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - （ 2/7 – 10/21 ）
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50＋160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37（58+37）÷（64-9×5）
38.95÷（64-45）
39.178-145÷5×6+42
40.812-700÷（9+31×11）
41.85+14×（14+208÷26）
43.120-36×4÷18+35
44.（58+37）÷（64-9×5）
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.（3.2×1.5+2.5）÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×（4.8-1.2×4）=
51.5.8×（3.87-0.13）+4.2×3.74
52.32.52-（6+9.728÷3.2）×2.5
53.[（7.1-5.6）×0.9-1.15] ÷2.5
54.5.4÷[2.6×（3.7-2.9）+0.62]
55.12×6÷（12-7.2）-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370）÷（64-45）
59.420+580-64×21÷28
60.136+6×（65-345÷23）
15-10.75×0.4-5.7
62.18.1＋（3－0.299÷0.23）×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.（3.2×1.5+2.5）÷1.6
66.3.2×6+（1.5+2.5）÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×（3.87-0.13）+4.2×3.74
70.32.52-（6+9.728÷3.2）×2.5
71.[（7.1-5.6）×0.9-1.15] ÷2.5
72.5.4÷[2.6×（3.7-2.9）+0.62]
73.12×6÷（12-7.2）-6
74.12×6÷7.2-6
75.33.02－（148.4－90.85）÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
2) 89+456-78
3) 5%+. 3/7 × 49/9 - 4/3
4) 9 × 15/36 + 1/27
5) 2× 5/6 – 2/9 ×3
6) 3× 5/4 + 1/4
7) 94÷ 3/8 – 3/8 ÷6
8) 95/7 × 5/9 + 3/7 × 5/9
9) 6/2 -（ 3/2 + 4/5 ）
10) 8 + （ 1/8 + 1/9 ）
11) 8 × 5/6 + 5/6
12) 1/4 × 8/9 - 1/3
13) 10 × 5/49 + 3/14
14) 1.5 ×（ 1/2 + 2/3 ）
15) 2／9 × 4/5 + 8 × 11/5
16) 3.1 × 5/6 – 5/6
17) 4/7 - （ 2/7 – 10/21 ）
18) 19 × 18 – 14 × 2/7
19) 5 × 25/16 + 2/3 × 3/4
20) 4 × 8/7 – 5/6 × 12/15
21) 7/32 – 3/4 × 9/24
22) 1、 2/3÷1/2－1/4×2/5
2、 2－6/13÷9/26－2/3
3、 2/9＋1/2÷4/5＋3/8
4、 10÷5/9＋1/6×4
5、 1/2×2/5＋9/10÷9/20
6、 5/9×3/10＋2/7÷2/5
7、 1/2＋1/4×4/5－1/8
8、 3/4×5/7×4/3－1/2
9、 23－8/9×1/27÷1/27
10、 8×5/6＋2/5÷4
11、 1/2＋3/4×5/12×4/5
12、 8/9×3/4－3/8÷3/4
13、 5/8÷5/4＋3/23÷9/11
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-（2.5+0.24）（27） 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
0.25×8.6×4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-（25-2.5）2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-（3.07+3.65）
（4+0.4×0.25）8×7×1.25
1.65×99+1.65
27.85-（7.85+3.4）
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6）×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
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
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
51.[（7.1-5.6）×0.9-1.15] ÷2.5
52.5.4÷[2.6×（3.7-2.9）+0.62]
53.12×6÷（12-7.2）-6 （4）12×6÷7.2-6
102×4.5
7.8×6.9＋2.2×6.9
5.6×0.25
8×（20－1.25）
1）127+352+73+44 （2）89+276+135+33
（1）25+71+75+29 +88 （2）243+89+111+57
9405-2940÷28×21
920-1680÷40÷7
690+47×52-398
148+3328÷64-75
360×24÷32+730
2100-94+48×54
51+（2304-2042）×23
4215+（4361-716）÷81
（247+18）×27÷25
36-720÷（360÷18）
1080÷（63-54）×80
（528+912）×5-6178
8528÷41×38-904
264+318-8280÷69
（174+209）×26- 9000
814-（278+322）÷15
1406+735×9÷45
3168-7828÷38+504
796-5040÷（630÷7）
285+（3000-372）÷36
1+5/6-19/12
3x(-9)+7x(-9
(-54)x1/6x(-1/3)
1.18.1＋（3－0.299÷0.23）×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
5.6-1.6÷4= 5.38+7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×（3.87-0.13）+4.2×3.74
10.32.52-（6+9.728÷3.2）×2.5
11.[（7.1-5.6）×0.9-1.15] ÷2.5
12.5.4÷[2.6×（3.7-2.9）+0.62]
13.12×6÷（12-7.2）-6
14.12×6÷7.2-6
15.33.02－（148.4－90.85）÷2.5
小朋友、、作为你学长、、我得通知你、、其实、上面的题很简单、自己思考下、可以平均30秒一道、、刚刚上初中、就靠别人做题、以后上高中怎么办啊？？ 呃、、我帮你做一道吧、、看好过程！！125*3+125*5+25*3+25 =125*（3+5）+125+25=125*8+125+25=1000+（125+25）=1150有些数相乘是一眼就有结果的、、比如125*8=1000 25*4=100学数学就要记住啊、、理科的东西不都是死板的、、要灵活啊、、
一到六年级的行不？
绛旓細(浜)濉┖棰: (1)闆跺噺鍘籥鐨勭浉鍙嶆暟,鍏剁粨鏋滄槸___; (2)鑻-b>a,鍒檅鏄痏__鏁; (3)浠-3.14涓噺鍘-蟺,鍏跺樊搴斾负___; (4)琚噺鏁版槸-12(4/5),宸槸4.2,鍒欏噺鏁板簲鏄痏__; (5)鑻-a<-,鍒檃,b鐨勫叧绯绘槸___,鑻-b<0,鍒檃,b鐨勫叧绯绘槸___; (6)(+22/3)-( )=-7 (涓)鍒ゆ柇棰: (1)涓涓暟...
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绛旓細(涓)褰揳=-4,b=-3,c=-2,d=-1鏃,姹備唬鏁板紡(ab+cd)(ab-cd)鐨勫. (鍥)宸茬煡1+2+3+...+31+32+33=17*33,璁＄畻涓嬪紡 1-3+2-6+3-9-12+...+31-93+32-96+33-99鐨勫 缁冧範浜(A绾) (涓)閫夋嫨棰: (1)宸茬煡a,b鏄袱涓鏈夌悊鏁,濡傛灉瀹冧滑鐨勫晢a/b=0,閭ｄ箞( ) (A)a=0涓攂鈮0 (B)a=0 ...
绛旓細6銆鏈夌悊鏁娣峰悎杩愮畻鐨勯『搴忔槸锛氬厛绠 锛屽啀绠 锛屾渶鍚庣畻 锛屽鏋滄湁 锛屽氨鍏堢畻 閲岄潰鐨勩11銆8-4梅(-2)锛 12銆-9+5脳(-6)-12梅(-6)14銆-1-銆1-(1-0.6梅3)銆暶椼2-(-3)脳(-4)銆曪紱20銆0梅(-4)-42-(-8)梅(-1)3锛21銆-32-(-3) 2-(-3)3+(-1)6锛...
