若X-2y=3,则8-3X+6y的值是
若X-2y=3,则8-3X+6y的值是
已知实数x,y满足x^2+y^2-6x-8y+24=0,则3x+4y-10的取值范围是
已知x-2y/3y-x=2/3,则y/x的值是
若(x-y)/(x+y)=3 则(x+2y)/(6x-7y)等于
若x-3y=-3,则5-2x+6y的值是( )
若2x²+3y²-8x+6y+11=0,则x+y的值
若x、y满足2x+y=6,x-3y=1,求7y(x-3y)²-2(3y-x)³的值
若实数X,Y满足X^2+3Y^2-12Y+12=0,则Y的值是?
若x+3y=3x+2y=7,则x,y的值分别是
若2x-y=3,x-2y=4,则x+y的值是( )
若x-y不等于0,2x-3y=0,则分式(10x-11y)/(x-y)的值是()?(10x-11y)/(x-y) =[(
若|3x+2y-4|与6(5x+7y-3)的平方互为相反数,则x y的值是 A X=1 Y=1 B x=2 y=-1 C