解方程:2x+y=4x-y-1/2=10+6x+2y/4
解方程:2x+y=4x-y-1/2=10+6x+2y/4
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
解方程:3x+2y/4=2x+y/5=x-y+1/6要详细过程
解方程x+y+(x+y/2)=15 3x+5y+4(x+y/2)=62
用代入法解方程2(x-y)/3-(x+y)/4=-1① 6(x+y)-4(2x-y)=16②
解方程:3分之2(x-y)-4分之x+y=-1,3(x+y)-6(x-y)=6
解方程:x²+2xy+6x+2y²+4y+10=0
解方程: 3x+2y=10 x-4y=-6 咋做啊? 还要过程
解方程x四方-x²+2xy+y²+1=0 x²+2xy+6x+2y²+4y+10
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
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