![](https://iknow-base.cdn.bcebos.com/lxb/notice.png)
(3+5/9-2/3)*(1/6+1/9+1/12)-(1/6-1/9+1/12)*3(1/6+1/9+1/12)*(2/3-5/9)=
1个回答
展开全部
(3+5/9-2/3)*(1/6+1/9+1/12)-(1/6+1/9+1/12)*3+(1/6+1/9+1/12)*(2/3-5/9)
=(1/6+1/9+1/12)*(3+5/9-2/3-3+2/3-5/9)
=(1/6+1/9+1/12)*0
=0
=(1/6+1/9+1/12)*(3+5/9-2/3-3+2/3-5/9)
=(1/6+1/9+1/12)*0
=0
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询