先化简分式[(3x/x-1)-(x/1+x)]/(x/1-x²)
先化简分式[(3x/x-1)-(x/1+x)]/(x/1-x²)
先化简分式(3x/x-1-x/x-1)除x/x平方-1
繁分式 已知(x²+x-3)\[(x-1)(x-2)(x-3)]=A\(x-1)+B\(x-2)+C\(x-3
1.当分式x(x-2)/x²+2的值为0 时,求x²/(x-5)-(x)/(x-2)+(1+x)/(
化简分式 (1)x²+x/x²-1 (2)x²-9/x²-6x+9
初高中数学衔接 繁分式 已知(x²+x-3)\[(x-1)(x-2)(x-3)]=A\(x-1)+B\(x-2
计算 2(x²-x+1)-(-2x+3x²)+(1-x)
计算题:3x(x²-3x+2)-x²(3x-1)
(x²-5x+6分之x²-3x+2)²/(x²-2x-3分之x-1)²
计算:[(x²-2x+1)/(x²-1)]÷[(x-1)(x²+x)]-x
分式计算,((x+1)²(1-x)²)/((x²-1)²)÷((x-1)²)/(
将分式49-x²/(x-7)(x-1)约分