(5x+2y)(3x-2y)计算与化简

(5x+2y)(3x-2y)计算与化简 计算：x(x-3y)(5x-2y) 计算:(x+3y)(2x-y) 计算:(2x-3y)(x+y) 计算:(-x-2y) * (3x-y) 计算：(x+y)-3(x-2y). 计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x 计算(x+y)(x+y)^2(-x-y)^3 3x(x-y)+2y(x-y) 计算 计算：x+2y/x-y+2x/y-x-3y/x-y 计算或化简：[（x-y）/(x+3y)]÷[（x²-y²）/(x²+6xy+9y²)]-（2y）/x+y 计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2) 计算-(x-5y)-(-3x+2y) 计算:y×(y/x)^3÷[-(x^2)/y]^-2 计算：y(x-y)^2+(y-x)^3=? 3(x-y)-2(x+y)-5(x-y)+4(x+y)+3(x-y) 化简合并同类项 计算3x+5y与2x-3y的差时能写出3x+5y-2x-3y吗 计算：(x-5y)^2