计算:[1/(x-y) - 1/(x+y) + 2y/(x^2 + y^2) - 4x^2 y/(x^4 + y^4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 22:36:53
x){nuӭ
5*t+5t@,m K[Ȍ3*@R& X,hiTOv6q Em
uAʴq+ )3IX Z =^\g? Cnm
计算:(1+ y/x-y )·(1- x/x+y)
计算x(y-1)+1-y
计算(x+y-1)^2
计算:(y+1)/x*(x+1)/y-(y-1)/x*(x-1)/y的值是?
计算:(x-y)(1/9x-y)-(1/3x-y)(1/3x+y)
(x+y)(x-y)-(2x+y)(x-y+1)计算要过程
计算:2/x+1/(x-y)
计算:1/2x-1/x+y×(x+y/2x-x-y)
计算:1/(2x) - 1/(x+y)((x+y)/(2x) - x - y)
1/(2x) - 1/(x+y)*((x+y)/(2x)-x-y) 计算.
计算2x/1-x+y/1·(2x/x+y-x-y)
计算:(4xy(x-y)^-1+(x(y^-1)-(x^-1)y)/((x^-1)+(y^-1)))*(x+y)^-2
[(x^-1)-(y^-1)]除以[(x^-1)+(y^-1)] 计算
计算:1/(x-y)+1/(2y-2x)
计算(2x+y+1)(2x+y-1)
计算:1(y-x)+1/(2y-2x)
x^-2-y-2分之x^-1-y^-1计算
(y-1/x)÷(x-1/y)如何计算