(1)解方程: x 2 -3x x 2 -1 + 2x-1 x-1 =0 ;(2)计算: | 3
(1)解方程:x2-3xx2-1+2x-1x-1=0;(2)计算:|3-2|+(15)0-2-1+2sin60°...
(1)解方程: x 2 -3x x 2 -1 + 2x-1 x-1 =0 ; (2)计算: | 3 -2|+( 1 5 ) 0 - 2 -1 +2sin60°
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