问题标题:
解方程组.[1]x+y-z=6[2]x+y=3x-3y+2z=1y+z=53x+2y-z=4x+z=6
问题描述:

解方程组.[1]x+y-z=6[2]x+y=3x-3y+2z=1y+z=53x+2y-z=4x+z=6

邱开林回答:
  Solve[{x+y-z==6,x+y==3,x-3y+2z==1}]   {x->4,y->-1,z->-3}   Solve[{y+z==5,3x+2y-z==4,x+z==6}]   {x->2,y->1,z->4}
查看更多
数学推荐
热门数学推荐