分式加减计算(5)/(x+1)-(2x-1)/(X+1)²

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分式加减计算(5)/(x+1)-(2x-1)/(X+1)²分式加减计算(5)/(x+1)-(2x-1)/(X+1)²分式加减计算(5)/(x+1)-(2x-1)/(X+1)

分式加减计算(5)/(x+1)-(2x-1)/(X+1)²
分式加减计算(5)/(x+1)-(2x-1)/(X+1)²

分式加减计算(5)/(x+1)-(2x-1)/(X+1)²
(5)/(x+1)-(2x-1)/(X+1)²
=(5(x+1)-(2x-1))/(X+1)²
=(5x+5-2x+1)/(X+1)²
=3(x+2)/(X+1)²