x²-5x+y²-2y=0 10x+4y=29 解方程组
x²-5x+y²-2y=0 10x+4y=29 解方程组
解方程组(x+y)(x-2y)=-5 (x-y)(x+2y)=7
解方程组 2x-y-1=0 x²-4y²+x+3y-1=0
解方程组X+Y/2=3X-2Y=10+6X+Y/4
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
解方程组 X²+y²=2 4x+3y=5
解方程组 y²-3x²+x+1=0 2x-y=1
解方程组x^2-y^2=x+y 4x^2-y^2+2x-y=0过程
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
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组
解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4