摘要:计算
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计算(每小题3分,共 18分,)
(1)8+(-
)-5-(-0.25)
(2)
+(-
)
(3)
-(-5)2×2
(4)2-(
-
+
)×(-63)
(5)-7
×30
(6)-12-
×[-32×(-
)2-2]÷(-1)2010.
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(1)8+(-
| 1 |
| 4 |
(2)
| 3 | 64 |
| 16 |
(3)
| 100 |
(4)2-(
| 4 |
| 7 |
| 1 |
| 9 |
| 2 |
| 21 |
(5)-7
| 13 |
| 15 |
(6)-12-
| 3 |
| 4 |
| 2 |
| 3 |