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】
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】
数学(x-y)^5*(y-x)^3*(x-y)^2
化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy
化简分式(x-y)/x^2+y^2
有这样一道题:"计算(2*x*x*x-3*x*x*y-2*x*y*y)-(x*x*x-2*x*y*y+y*y*y)+【-
初中数学分式已知x/y=2,求(x*x-xy+3y*y)/x*x+xy+6y*y的值
[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)
化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方
【x-3y][x+y]-[x-2y][x +2y]-[x-y
3(x-y)-2(x+y)-5(x-y)+4(x+y)+3(x-y) 化简合并同类项
数学分式化简化简y²-x²分之3x-3y+(x²-y²分之x²-2xy
初二数学分式化简已知x-3y=0(xy不等于0),求【(2x+y)/(x²-2xy+y²)】*(x-