题目内容
计算:
(1)(-12
)÷4;(2)(-24)÷(-2)÷(-1
).
(1)(-12
| 3 |
| 11 |
| 1 |
| 5 |
(1)原式=(-12-
)×
=-3-
=-3
;
(2)原式=12÷(-1
)=12×(-
)=-10.
| 3 |
| 11 |
| 1 |
| 4 |
| 3 |
| 44 |
| 3 |
| 44 |
(2)原式=12÷(-1
| 1 |
| 5 |
| 5 |
| 6 |
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题目内容
| 3 |
| 11 |
| 1 |
| 5 |
| 3 |
| 11 |
| 1 |
| 4 |
| 3 |
| 44 |
| 3 |
| 44 |
| 1 |
| 5 |
| 5 |
| 6 |