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(2011•遵义)计算:(π−3)0+9−(−1)2011−2sin30°.
题目详情
(2011•遵义)计算:(π−3)0+
−(−1)2011−2sin30°.
9 |
▼优质解答
答案和解析
(π−3)0+
−(−1)2011−2sin30°,
=1+3+1-1,
=4.
9 |
=1+3+1-1,
=4.
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