用加减消元法解X-Y=0 3X+5Y=32
x+y/2+x-y/3=6,4(x+y)-5(x-y)=2用加减消元法解方程组
用加减消元法解方程组 4x+3y=3 3x+5y=-6
用加减消元法解方程组{4x-5y=5,2x+3y=-25
用加减消元法解方程组{3x+2y=5 2x-3y=8
用加减消元法解方程组3x+4y=14,5x-6y=36
用加减消元法解方程组 3(x-1)=y+5 2(y+1)=x+1
6x-4y=37 3x+4y=-5 用加减消元法解方程组
{x-y=3 2x+3(x-y)=11 用加减消元法解方程组
{x+y/2+x-y/3=6 4(x+y)-3(x-y)=0 用加减消元法解方程组
用加减消元法解二元一次方程组:①[(x+y)/2]+[(x-y)/3]=5②[(x+y)/2]+[(x-y)/3]=-1
3x+2y=9 3x-2y=3 用加减消元法解方程组
用加减消元法解方程组{x/3+y/4=2 x/4+y/3=2