摘要:1.计算下列各题: (1) (2)tan2°tan4°·tan6°-tan88°
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计算下列各题
(1)计算(3
)-
-(
-1)0+
-(2
)
(2)计算
.
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(1)计算(3
| 3 |
| 8 |
| 2 |
| 3 |
| 2 |
23-6
|
| 2 |
| 1 |
| 3 |
(2)计算
lg5•lg8000+(lg2
| |||
(log23+log49+log827+…+log2n3n)×log9
|