6(x+y)-4(2x-y)=16与2(x-y)-(x+y)/4=-1的方程组解法
6(x+y)-4(2x-y)=16与2(x-y)-(x+y)/4=-1的方程组解法
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
1.用代入解法解下列方程组:①x+2y=-1,3x-2y=8; ②x-y=4,3x+y=16; ③x-y=8,3x+y=
(8y=2x)( 3y=2x+4)用二元一次方程组解法
3分之2(X-Y)-4分之X+Y=-1,6(X+Y)-4(2X-Y)=16的解法
解方程组 10(x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16
一道二元一次方程组!3(x+y)-4(x-y)=4,(x+y)/2+(x-y)/6=1
解二元一次方程组{3(x+y)-4(x-y)=4,x+y/2+x-y/6=1
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1
要求 解方程组:{(X-1)(Y+1)=(X+1)(Y+1){X(2+Y)-6=Y(X-4)
解二元一次方程组:3(x+y)-4(x-y)=4,x+y/2+x-y/6+1
解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1