若x-y=5,则4-2x+2y=
1个回答
x-y=5
x-y-5=0
-x+y+5=0
5-x+y=0
10-2x+2y=0
4-2x+2y= -6
若x-y=5,则4-2x+2y= -6
相关问题
若x2+y2-4x+2y+5=0,则x+y=______.
若2^x=6,4^y=5则2^x-2y
若x-y=1,x3-y3=2,则x4+y4=______,x5-y5______.
1若x+2y=0,则5x+4y/3x-2y=___
若x-2y=5,则25-2x+4y=多少
若4x2+9y2-4x-12y+5=0,则2x+32y=______.
若4x=5y,则x2−y2y2的值是______.
若实数x,y满足x^2+y^2-4x-2y+5=0,则x+y/2x-1
1若实数x,y满足x^2+y^2-4x-2y+5,则(x+y)/(2x-1)=?
若2X+5Y=3,则4^x*32^Y=( )