解方程:2x+y+3z=11,3x+2y-2z=11,4x-3y-2z=4(过程要详细 )
解方程:2x+y+3z=11,3x+2y-2z=11,4x-3y-2z=4(过程)
2x+3y-4z=0.,3x+4y+5z=0,则x+y+z/x-y+z详细的解题过程
解方程:2x+y+3z=11,3x+2y-2z=11,4x-3y-2z=4(过程要详细 )
三元方程求救要过程2x+3y+z=383x+4y+2z=564x+5y+z=66x:y=5:3x:z=7:32x-y-z
3x-y+z=3 2x+y-3z=11 x+y+z=12 解方程
解方程:{2x+3y+z=7,x+y+z=4,3x+y-z=-4
解方程{3x -y+z=4 2x+3y-z=12 x+y+z=6
解方程: x-5y-3z=0, y+4z=3, 2x-z=1. 求详细过程解 我想看看我的对不对
解三元一次方程 (要有过程) x-y-z=-1 3x+5y+7z=11 4x-y+2z=-1
x+2y+4z=17 2x+y+z=7 3x+y+2z=11
试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y)
解方程组{X+3Y-2Z=16 3X+Y+4Z=3 2X-5Y-2Z=-24(要过程)