已知2x+5y-5=0,求4^x-1·32^y
已知2x+5y-5=0,求4^x-1·32^y
已知x=1/3,y=-1/2,求代数式x-(x+y)+(x+2y)-(x+3y)+(x+4y)-(x+5y)+...-(
已知x²+y²+5=2x+4y,求【2x²-(x-y)(x-y)】【(x+y-1)(x-y
已知x²+y²-2x+4y+5=0,求X^4-y^4/2x^2+xy-y²·2x-y/xy
已知x^2+4y^2-4x+4y+5=0,求(y^4-x^4)/(y-2x)(x+y)*2x-y
已知2x-5y-5=0,求4^x-1 * 32^y的值
已知x²+4x+y-2y+5=0求x+2y
已知X.x+y.y-4x+2y+5=0,求4X.X-12X Y+9Y.y的值
已知x²+y²-2x+4y+5=0,求x+y
已知x,y>0 2x+y+3=xy 求5x+4y最小值
(1)已知2x+5y-3=0,求4^x*32^y的值.
已知x²+y²+5=2x+4y,求代数式(2x²-(x+y)(x-y))x((x+y-1)