问题
填空题
化简:(13x-11y+10z)-(15x+10y-15z)=______.
答案
(13x-11y+10z)-(15x+10y-15z)=13x-11y+10z-15x-10y+15z=-2x-21y+25z.
故答案为-2x-21y+25z.
化简:(13x-11y+10z)-(15x+10y-15z)=______.
(13x-11y+10z)-(15x+10y-15z)=13x-11y+10z-15x-10y+15z=-2x-21y+25z.
故答案为-2x-21y+25z.