题目内容
计算:
(1)(-
-
+
)÷
(2)-12+3×(-2)3+(-6)÷(-
)2.
(1)(-
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
| 1 |
| 36 |
(2)-12+3×(-2)3+(-6)÷(-
| 1 |
| 3 |
(1)原式=(-
-
+
)×36
=-
×36-
×36+
×36
=-27-20+21
=-26;
(2)原式=-1+3×(-8)+(-6)÷
=-1-24-54
=-79.
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
=-
| 3 |
| 4 |
| 5 |
| 9 |
| 7 |
| 12 |
=-27-20+21
=-26;
(2)原式=-1+3×(-8)+(-6)÷
| 1 |
| 9 |
=-1-24-54
=-79.
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