通分:1/2x-2,1/(x-1)²
通分:(1)1/(2-x)²,x/(x+2)(x-2)(2)1/x²-1,2x/x²-3x
分式的通分和约分题目最简公分母1/a-b,1/b-c,1/a-c通分x/2(x+1),1/x²-x.通分x+5
2(x²-1²)
数学分式通分1/ac;1/2b[通分]1/x-1;4/x^2-1[通分]3/x-2;2/6-3x[通分]1/(x+1)(
初二数学分式通分(1)x/3y与3x/2y² (2)x-y/2x+2y与xy/(x+y)²∵公分母为
(1)(x²-2x)²+2(x²-2x)+1
(x²-2x)²+2x²-4x+1
2x+2分之x+2,x²-x-2分之x,8-4x分之3通分,要详解.其中还已知它们的最简公分母是4(x+1)(
一道数学通分题2xy/(x+y)²与x/x²-y²
计算:[(x²-2x+1)/(x²-1)]÷[(x-1)(x²+x)]-x
通分1/x平方-y平方和1/x平方+xy 通分x/x平方-4和x-1/(x-2)平方 通分2/3-2X和2x+5/4x平
(x²-5x+6分之x²-3x+2)²/(x²-2x-3分之x-1)²