题目内容
(1)-(-3)2×(-1)-8×(-
)3×|-2-3|;
(2)-14-(1-0.5)×
×[2-(-3)2].
| 1 |
| 2 |
(2)-14-(1-0.5)×
| 1 |
| 3 |
(1)原式=-9×(-1)-8×(-
)×5=9+5=14;
(2)原式=-1-
×
×(2-9)=-1+
=
.
| 1 |
| 8 |
(2)原式=-1-
| 1 |
| 2 |
| 1 |
| 3 |
| 7 |
| 6 |
| 1 |
| 6 |
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