(1)计算:(cos60°)-1+(2-2010)0-16-|-2|;(2)化简:(1-1x)÷x2?2x+1x2?1
(1)计算:(cos60°)-1+(2-2010)0-16-|-2|;(2)化简:(1-1x)÷x2?2x+1x2?1....
(1)计算:(cos60°)-1+(2-2010)0-16-|-2|;(2)化简:(1-1x)÷x2?2x+1x2?1.
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