题目内容
计算:
(1)-9+5×(-6)-(-4)2÷(-8);
(2)(-3)2-(1
)3×
-6÷|-
|.
(1)-9+5×(-6)-(-4)2÷(-8);
(2)(-3)2-(1
| 1 |
| 2 |
| 2 |
| 9 |
| 2 |
| 3 |
(1)原式=-9+5×(-6)-16÷(-8)
=-9-30+2
=-37;
(2)原式=9-
×
-6×
=9-
-9
=-
.
=-9-30+2
=-37;
(2)原式=9-
| 27 |
| 8 |
| 2 |
| 9 |
| 3 |
| 2 |
=9-
| 3 |
| 4 |
=-
| 3 |
| 4 |
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