题目内容
计算(-0.5)2007×(-2)2006等于( )
| A.-0.5 | B.-2 | C.0.5 | D.2 |
(-0.5)2007×(-2)2006
=(-
)2007×22006
=-
×(-
)2006×22006
=-
×(-
×2)2006
=-
×1
=-
.
故选:A.
=(-
| 1 |
| 2 |
=-
| 1 |
| 2 |
| 1 |
| 2 |
=-
| 1 |
| 2 |
| 1 |
| 2 |
=-
| 1 |
| 2 |
=-
| 1 |
| 2 |
故选:A.
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