数学题x^2-4xy+4y^2+√3x+√3y-6=0,求(x)
数学题x^2-4xy+4y^2+√3x+√3y-6=0,求(x+y)的最大值
已知3x^2+xy-2y^2=0,求{(x+y)/(x-y)+4xy/(y^2-x^2)}/{(x+3y)*(x-y)}
已知2X-3√xy-2y=0(x>0)求2x²+xy-9y²分之x²+4xy-16y
已知x,y>0 2x+y+3=xy 求5x+4y最小值
x^+2xy+y^+4=16 x^-2xy+y^=16 求(3xy+6y^)+|x^-(2xy+2y^-3x^)|的值
若 |x^2-3xy-4y^2|+2√(x^2+4xy+4y^2-1)=0 求3x+6y的值
已知|x²-2xy-8y²|+2√x²-4xy+4y²-1=0,求3x+6y的值
√x(√x+2√y)=√y(6√x+5√y,求x-3√xy+2y/x+√xy-6y
关于比例的数学题:若x/3y=y/(2x-5y)=(6x-15y)/x,求(4x^2-5xy+6y^2)/(x^2-2x
已知(x+2)^2+|x+y+5|=0,求3x^2y-[2x^2y-(2xy-x^2y)-4x^2]-xy
已知(x+2)^2+|x+y+5|=0,求3x^2y+{-2X^2y-[-2xy+(x^2y-4x^2)]-xy}
已知x^3+xy^2+x+x^2y+y^3+y=0,求5x-6y/3x+4y的值.