计算[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2+2xy^2)分式计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 17:17:57
计算[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2+2xy^2)分式计算
计算[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2+2xy^2)
分式计算
计算[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2+2xy^2)分式计算
[4/(x^2-y^2)+(x+y)/(xy^2-x^2y)]除[(x+2y)(x-y)/(x^2y+2xy^2) =[4/(x-y)(x+y)+(x+y)/xy(y-x)]*xy/(x-y) =[(4xy-(x+y)^2)/xy(x+y)(x-y)]*xy/(x-y) =[-(x-y)^2]/xy(x+y)(x-y)]*xy/(x-y) =-(x-y)/xy(x+y)*xy/(x-y) =-1/(x+y)
计算:2xy/(x+y)².(x+y)/4y
计算(2x-3y)(x+4y)-(3x+y)(x-2y)(2x-3y)(x+4y)-(3x+y)(x-2y)
计算:y-x分之x+y+x-y分之y-y-x分之2x-y
(x-3y)(y+2x)-(4y-3x)(3x+4y)计算
计算:(x-y)^2*(x+y)^3*(-x-y)^3*(y-x)^4
计算:[(x+y)³-2(x+y)²-4(x+y)]÷(x+y)
计算[(x+y)的立方-2(x+y)的平方-4(x+y)]÷(-x-y)
计算2x/x-y
计算:(x+2y)(2x-y)
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).
[(x+2y)(x-2y)+4(x-y)^2-6x]/(6x)计算
计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x
计算:[(x+y)(x-y)-(x-y)^2+2y(x-y)]/(-2y)
计算:(x-y)^2*(y-x)^2*(x-y)^6
计算(x-y)(y^2-x^2)(-x-y)