题目内容
计算:
(1)32÷(-
)+2÷(-
)4;
(2)-32÷3+(
-
)×12+(-1)2012.
(1)32÷(-
| 1 |
| 3 |
| 1 |
| 2 |
(2)-32÷3+(
| 1 |
| 2 |
| 2 |
| 3 |
(1)原式=9÷(-
)+2÷
=9×(-3)+2×16
=-27+32
=5;
(2)原式=-9÷3+12×
-12×
+1
=-3+6-8+1
=-4.
| 1 |
| 3 |
| 1 |
| 16 |
=9×(-3)+2×16
=-27+32
=5;
(2)原式=-9÷3+12×
| 1 |
| 2 |
| 2 |
| 3 |
=-3+6-8+1
=-4.
练习册系列答案
相关题目