分式化简:(x/x-y-y/y-x)(x-y)
化简分式y-1/x分之x-1/y
化简分式(x-y)/x^2+y^2
分式的加减:[(x/y-y/x)除以(x+y)+x(1/y-1/x)]除以1+x/y,其中x=5,y=2
x-y分之2减去(x-y)的平方分之x+y 分式加减咋做啊?
已知x,y互为倒数,请化简分式(x+y)(1/x+1/y).
分式x+y分之x-y与(x+y)²分之x²-y²相等吗?
{(x,y) |x|+|y|
x>y?x:y
化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy
2.(x+y)²(x-y)²-(x-y)(x+y)(x²+y²)
数学化简分式只要结果就ok{2/3x-2/(x+y)[(x+y)/3x-x-y]}/【(x-y)/x】
分式计算:(x²+2xy+y²)/(x²y+xy)*y/(x+y)