将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母
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将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母将1/x(x
将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母
将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母
将1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分,单独备注最简公分母
最简公分母是:x(x+1)(x+2)(x+3)
所以1/x(x+1),1/(x+1)(x+2),1/(x+2)(x+3)通分得
(x+2)(x+3)/x(x+1)(x+2)(x+3)
x((x+3)/x(x+1)(x+2)(x+3)
x(x+1)/x(x+1)(x+2)(x+3)
x/x+(1-x)/x-1/x
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