解方程组 2x+y(y-2x)=9 (x+y)(x+y-3)=10

解方程组 2x+y(y-2x)=9 (x+y)(x+y-3)=10 解方程组X+Y/2=3X-2Y=10+6X+Y/4 解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12) 解方程组:2/(x+y)+5/(x-y)=18 9/(x+y)-10/(y-x)=66 解方程组：2/(x+y)+5/(x-y)=18 9/(x+y)-10/(y-x)=66 解方程组 10（x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16 解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7 解方程组x:y=2:3和5x+3y=38 3y+x/y=8和9y-2x/y=9 解方程组｛ 3x-4y(x-y)=3 { 2x-3y=1 如果方程组3x+y=k x+3y=2的解x,y 解方程组：{x+|3x-y|+3y=15 2x+y=6 解方程组x+y/3=x-y/4 2x+3y=11