题目
题型:解答题难度:一般来源:不详
(1)8+(-
1 |
4 |
(2)19
16 |
17 |
(3)-32-|(-5)3|×(-
2 |
5 |
(4)-3.375×12+4.375×12-36×(
1 |
18 |
1 |
12 |
1 |
3 |
答案
1 |
4 |
1 |
4 |
1 |
4 |
(2)19
16 |
17 |
16 |
17 |
80 |
17 |
12 |
17 |
(3)-32-|(-5)3|×(-
2 |
5 |
=-9-125×
4 |
25 |
=-9-20-2-31
=-62;
(4)-3.375×12+4.375×12-36×(
1 |
18 |
1 |
12 |
1 |
3 |
=12×(4.375-3.375)-2+3-12
=12-2+3-12
=1.
核心考点
试题【计算下列各题(能用运算律用运算律)(1)8+(-14)-5-(-0.25)(2)191617×(-5)(3)-32-|(-5)3|×(-25)2-18÷|-(-】;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