已知:x>0,y>0,且x- 10√xy+25y=0,求2x+√xy+3y/x+√xy-y
1.已知x>0,y>0,且x+3y=4√xy,求√xy+y分之x+√xy
已知2X-3√xy-2y=0(x>0)求2x²+xy-9y²分之x²+4xy-16y
已知x^2-xy+3y^2=0 且xy不等于0 求x/y+y/x 的值
已知xy≠0,且2x+3xy-2y=0,求(x+y)/(x-y)的值.
已知x-y=4xy且xy≠0,求代数式-x-2xy+y分之2x+3xy-2y的值
已知y-x-2xy=0,求3x+xy-3y/y-xy-x的值
已知y-x-2xy=0,求(3x+xy-3y)\(y-xy-x)的值
已知3x*+xy-2y*=0,求(x/y)-(y/x)-(x*+y*)/(xy)的值.*是平方
已知x>0,y>0,且x-2√xy-15y=0,求(2x+√xy+3y)÷(x+√xy-y)的值
已知x>0,y>0,且x-2√xy-15y=0,求(x+(√xy)-y)分之2x+√xy+3y的值
已知x>0,y>0,且x+6y=5根号xy,求(2x+根号xy-y)分之(x+根号xy+2y)的值
已知3x^2+xy-2y^2=0,求{(x+y)/(x-y)+4xy/(y^2-x^2)}/{(x+3y)*(x-y)}