若|x-√3|+(y+√3/3)^2=0,求(xy)^2013的值
若x+y-5xy=0,求(2x-3xy+2y)/(x+2xy+y)的值
若x>0,y>0,且√x(√x+√y)=3√y(√x+5√y),求(2x+2√xy+3y)/(x-√xy+y)的值.
若(3xy+2)+|7-x-y|=0,求代数式(5xy+10y)-[-5x-(4xy-2y+3x)]的值.
若(y-x)/xy=3,求分式(2x+3xy-2y)/(x-2xy-y)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
若 |x^2-3xy-4y^2|+2√(x^2+4xy+4y^2-1)=0 求3x+6y的值
若x-y=4,xy=1,求(-2xy+2x+3y)-(3xy+2y-2x)-(x+4y+xy)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
1.若x-2√xy-3y=0 x>0求2x+y+√xy除以y-x-√xy