题目内容
计算:
(1)-1
×(0.5-
)÷
;
(2)-33-[-5-02÷
×(-2)2].
(1)-1
| 2 |
| 3 |
| 2 |
| 3 |
| 9 |
| 10 |
(2)-33-[-5-02÷
| 4 |
| 5 |
(1)原式=-
×(
-
)×
=-
×(-
)×
=
;
(2)原式=-27-(-5-
×
×4)=-27-(-6)=-21.
| 5 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 10 |
| 9 |
| 5 |
| 3 |
| 1 |
| 6 |
| 10 |
| 9 |
| 25 |
| 81 |
(2)原式=-27-(-5-
| 1 |
| 5 |
| 5 |
| 4 |
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