通分,分式1/2(x+1),1/3(x+1)²1/ac,1/2ab1/x-1,2/3x3/x-2,2/6-3x1/(x+1)(x-4),2/(x-4)²x/3(y-1),2/6-6y1/(x-1)(x-2),2/x²-2x+1

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通分,分式1/2(x+1),1/3(x+1)²1/ac,1/2ab1/x-1,2/3x3/x-2,2/6-3x1/(x+1)(x-4),2/(x-4)²x/3(y-1),2/6-6

通分,分式1/2(x+1),1/3(x+1)²1/ac,1/2ab1/x-1,2/3x3/x-2,2/6-3x1/(x+1)(x-4),2/(x-4)²x/3(y-1),2/6-6y1/(x-1)(x-2),2/x²-2x+1
通分,分式1/2(x+1),1/3(x+1)²
1/ac,1/2ab
1/x-1,2/3x
3/x-2,2/6-3x
1/(x+1)(x-4),2/(x-4)²
x/3(y-1),2/6-6y
1/(x-1)(x-2),2/x²-2x+1

通分,分式1/2(x+1),1/3(x+1)²1/ac,1/2ab1/x-1,2/3x3/x-2,2/6-3x1/(x+1)(x-4),2/(x-4)²x/3(y-1),2/6-6y1/(x-1)(x-2),2/x²-2x+1
1.2b/2abc ,c/2abc
2.3x/3x(x-1) ,2(x-1)/3x(x-1)
3.9/3x-6,-2/3x-6
4.x-4/(x+1)(x-4)²,2(x+1)/(x+1)(x-4)²
5.2x/6(y-1),-2/6(y-1)
6.(x-1)/(x-1)²(x-2),2(x-2)/(x-1)²(x-2)
通分的意思就是把分母化成相同的部分,便于分子计算,比较