3/x+y+2/x-y=6,3(x+y)-2(x-y)=28解这个方程组
3/x+y+2/x-y=6,3(x+y)-2(x-y)=28解这个方程组
求x+y/3+x-y/2=6 3(x+y)-2(x-y)=28方程组的解
x+6=y-x-8,2x+3y-1=y-x-8 解这个方程组
解方程组:{x+|3x-y|+3y=15 2x+y=6
解方程组X+Y/2=3X-2Y=10+6X+Y/4
y/3-x+1/6=3,2(x-y/2)=3(x+y/18) 解这个方程组
解下面方程组,x+y/3+x-y/2=6 3(x+y)-2(x-y)=28,
这个方程组{2x+y=6,x+3y+[3x-y]=19怎么解?
解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6
解方程组 x-y/3-x+y/4=2 x-y/6-x+y/8=3
解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16