y^2-2xy+b*b=0,求dy/dx

y^2-2xy+b*b=0,求dy/dx xy-sin(πy^2)=0 求dy/dx 求通解:(xy-x^2)dy=y^2dx xy+e的平方+y=2 ,求dy/dx x^2+xy+y^3=1,求dy/dx sin(xy)+y^2-e^2 求dx/dysin(xy)+y^2-e^2=0 求dx/dy 求dy/dx+2xy+xy^4的通解求dy/dx+2xy+xy^4=0的通解 1.求（xy^2+x）dx+（xy^2-y）dy=0的通解 y/x=ln(xy) 求dy/dx(xy-y^2)/(xy+x^2) 求方程(x-2xy-y^2)dy+y^2dx=0的通解 (x+xy^2)dx+(y-x^2y)dy=0求可分离变量的通解 求(x+xy^2)dx-(x^2y+y)dy=0的通解!~ 求微分方程(xy^2-x)dx+(x^2y+y)dy=0的通解 一道求导数的数学题...（4xy^2)/(1-y^2)=0 求dy/dx. 求导,y²-2xy+9=0,求dy/dx,求详解 siny+e^x-xy^2=0,求dy/dx 求微分方程dy/dx+2xy=0的通解 求方程(y^2+xy^2)dx+(x^2-yx^2)dy=0的通解