(1)计算:(-2)3+(13)-1-|-5|+(3-2)0(2)化简:(x+1x2?x-xx2?2x+1)÷1x?1
(1)计算:(-2)3+(13)-1-|-5|+(3-2)0(2)化简:(x+1x2?x-xx2?2x+1)÷1x?1....
(1)计算:(-2)3+(13)-1-|-5|+(3-2)0(2)化简:(x+1x2?x-xx2?2x+1)÷1x?1.
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