若实数X,Y同时满足3x+2y=7和2x+3y=3,求x+y/x-y
若实数X,Y同时满足3x+2y=7和2x+3y=3,求x+y/x-y
已知实数x.y满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y
已知实数X.Y满足(X-3)^2+(Y-3)^2=6,求X+Y的最大值和最小值
设实数x、y满足方程2x²+3y²=6y,求x+y的最大值
若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值
若x平方-2xy+y平方-x+y-3=0 求x-y的值 和已知实数x,y满足 x平方+xy-y平方=0求y分之x的值 怎
已知x、y均为实数,且满足xy+x+y=17,x^2y+y^2x=66,求x^4+x^3y+x^2*y^2+y^3x+y
若实数x,y满足 x+y=3,x^2+y^2=7,求x^5+y^5的值
已知实数x,y满足下x^2+根号2y=根号3,y^2+根号2x=根号3,求x/y+y/x
实数x,y满足3x^2+2y^2=6x,求x^2+y^2最大值?
若实数x,y满足约束条件x-y-2=0,2y-3
设实数X,Y满足2X+Y-2>=0,X-2Y+4>=0,3X-Y