数学题:xy = e(x+y).求dy.在线等.
xy=e^(x+y),求dx/dy
e∧x+y=xy,求dy/dx
求dy/dx+y/x=e^(xy)
微分方程求解 (x^2y^3+xy)dy=dx 在线等啊在线等啊 急~~~~~~~~~~~~~~~~~~~~~~~~~~
y=y(x)的导数dy/dx 求 XY=e的X+Y次方?
求教高等数学题:已知e的y次方-xy=0,求dy
xy-e^x+e^y=0,求dy/dx|x=0?
e^x+e^y=sin(xy),求dy/dx.怎么求
设 e^(x+y) - xy = 1,求 dy/dx \ x=0 y=0
设e^(x+y)+cos(xy)=0确定y是x的函数求dy
已知xy+e^y=e...求dx/dy|x=0
由2xy+e∧x-e∧y=0求dy/dx