题目
题型:解答题难度:一般来源:不详
①8+(-10)+(-2)-(-5)
②(-5)÷(-
5 |
4 |
③-36÷(-6)-72÷(-8)
④8×(-
4 |
5 |
⑤(-24)×(-
1 |
2 |
3 |
4 |
1 |
3 |
⑥(-
1 |
2 |
3 |
4 |
3 |
4 |
⑦18×(-
2 |
3 |
2 |
3 |
2 |
3 |
⑧-32-[1-(-2)3]÷(-3)
答案
=8-10-2+5
=1;
②(-5)÷(-
5 |
4 |
③-36÷(-6)-72÷(-8)
=6+9
=15;
④8×(-
4 |
5 |
=8×(-
4 |
5 |
=-10÷16
=-
5 |
8 |
⑤(-24)×(-
1 |
2 |
3 |
4 |
1 |
3 |
=12-18+8
=2;
⑥(-
1 |
2 |
3 |
4 |
3 |
4 |
=(-
1 |
2 |
3 |
4 |
3 |
4 |
=1+1
=2;
⑦18×(-
2 |
3 |
2 |
3 |
2 |
3 |
=(-18+13-4)×
2 |
3 |
=-9×
2 |
3 |
=-6;
⑧-32-[1-(-2)3]÷(-3)
=-9-[1+8]÷(-3)
=-9-9÷(-3)
=-9+3
=-6.
核心考点
试题【计算:①8+(-10)+(-2)-(-5)②(-5)÷(-54)③-36÷(-6)-72÷(-8)④8×(-45)÷|-16|⑤(-24)×(-12+34-13】;主要考察你对有理数的混合运算等知识点的理解。[详细]
举一反三
ab |
a+b |
(1)-23÷(-
1 |
2 |
1 |
3 |
(2)199
198 |
199 |
(3)[3
1 |
3 |
2 |
3 |
1 |
5 |
(4)-0.52+(-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
2 |