通分:(1)1/(x-1),2/3x(2)3/(x-2),2/(6-3x)(3)1/(x+1)(x-4),2/(x-4)^2(4)x/3(y-1),2/(6-6y)(5)1/(x-1)(x-2),2/(x^2-2x+1)
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通分:(1)1/(x-1),2/3x(2)3/(x-2),2/(6-3x)(3)1/(x+1)(x-4),2/(x-4)^2(4)x/3(y-1),2/(6-6y)(5)1/(x-1)(x-2),2/
通分:(1)1/(x-1),2/3x(2)3/(x-2),2/(6-3x)(3)1/(x+1)(x-4),2/(x-4)^2(4)x/3(y-1),2/(6-6y)(5)1/(x-1)(x-2),2/(x^2-2x+1)
通分:(1)1/(x-1),2/3x(2)3/(x-2),2/(6-3x)(3)1/(x+1)(x-4),2/(x-4)^2
(4)x/3(y-1),2/(6-6y)(5)1/(x-1)(x-2),2/(x^2-2x+1)
通分:(1)1/(x-1),2/3x(2)3/(x-2),2/(6-3x)(3)1/(x+1)(x-4),2/(x-4)^2(4)x/3(y-1),2/(6-6y)(5)1/(x-1)(x-2),2/(x^2-2x+1)
:(1)1/(x-1)=3x/3x(x-1),2/3x=2(x-1)/3x(x-1),
(2)3/(x-2)=9/[3(x-2)],2/(6-3x)=-2/3(x-2)
(3)1/(x+1)(x-4)=(x-4)/(x+1)(x-4)²
2/(x-4)^2=2(x+1)/(x+1)(x-4)²
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