(1)计算: ( - 2 ) 2 + tan 45 ° - ( 3 - 2 ) 0
(2)化简: x ( x + 1 ) - ( x + 1 ) ( x - 2 )
(11·台州)(8分)计算:.
计算:│-2│-(π-3.14)0+()-1-2sin60°