求解 (-2x)^6-(-3x^3)^2-[-(-x)^2]^3 和 (-3x^2y)^3+8(x^2)^3×(-y)^
因式分解3x^2(x-y)+6x(y-x)
求解初中数学题(x-y)-2(y-x) 2(x-y)-8(y-x) x(a-3)-(3-a) (x2-y2)-3(x+y
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)+【-
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
求解;一 (x-8y)(x-y) 二 (Y+2)(Y-2)-(Y-1)(Y+5) 三 (3X+4)(3X-4)-(2X+
[(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
(X-Y)3-4(X-Y)2+4(X-Y)因式分解大神求解
x^8-x^7y+x^6y^2-x^5y^3+x^4y^4-x^3y^5+x^2y^-xy^7+y^8
x/x-y*y^2/x+y-x^3y2/x^4-y^4/x^2/x^2+y^2
【【求解微分方程】】xy'+y=x^2+3x+2