(根号x-2/x-2)/(根号x/根号x³-2x²)化简
(根号x-2/x-2)/(根号x/根号x³-2x²)化简
化简:y=根号 x+2根号x-1+根号 x-2根号x-1
根号x²-2x+1(x
求导数 y=(x*根号x根号x根号x)/3次根号x^2
化简:((根号x-根号y)^3+2x根号x+y根号y)/(x根号x+y根号y)+(3根号xy-3y)/(x-y)
根号1-x^2,|x|
根号12+根号2x(根号3-根号18)+30x根号六分之1化简
x根号x+x根号y/xy-y^2)-(x+根号xy+y/x根号x-y根号)y
化简:(x-y)除以(根号x+根号y)-(x-2根号xy+y)除以(根号x-根号y)
已知x =2y 化简(根号y/根号x -根号y )-(根号y/根号x +根号y)
已知x=2y,化简:根号y/根号x -根号y -根号y/根号x +根号y
解方程:根号(x+根号2x-1)+根号(x-根号2x-1)=mx