题目内容
计算题
(1)-10+8÷(-2)2-(-4)×(-3)
(2)-
×[-32×(-
)2+(-2)3].
(1)-10+8÷(-2)2-(-4)×(-3)
(2)-
| 3 |
| 2 |
| 2 |
| 3 |
(1)原式=-10+8÷4-12
=-10+2-12
=-20;
(2)原式=-
×(-9×
-8)
=-
×(-4-8)
=-
×(-12)
=18.
=-10+2-12
=-20;
(2)原式=-
| 3 |
| 2 |
| 4 |
| 9 |
=-
| 3 |
| 2 |
=-
| 3 |
| 2 |
=18.
练习册系列答案
相关题目