解方程组 x+1/6=y+1/8=x+y/10
用加减法解方程组:{(x+y)/6+(x-y)/10=3 (x+y)/6+(y-x)/10=-1
解方程组x+y/6+x-y/10=3,x+y/6+y-x/10=-1
解方程组 x+1/6=y+1/8=x+y/10
解方程组{6/x+6/y=1/2 8/x-3/y=3/10
x+6=y-x-8,2x+3y-1=y-x-8 解这个方程组
要求 解方程组:{(X-1)(Y+1)=(X+1)(Y+1){X(2+Y)-6=Y(X-4)
解方程组{4/x+y+6/x-y=3, 9/x-y-1/x+y=1
解方程组:{4/x+y+6/x-y=3 9/x-y-1/x+y=1}
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
2(x+y)-3(x-y)=1 6(x+y)+7(x-y)=51 解方程组
解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16