4.怎么简便就怎么算。11 12+1 3+2 3+1 12 6 5-5 7-2 7 9 4-(5 8-3 4)
1个回答
展开全部
【答案】:11/12+1/3+2/3+1/12
=(11/12+1/12)+(1/3+2/3)
=1+1
=2
6/5-5/7-2/7
=6/5-(5/7+2/7)
=6/5-1
=1/5
9/4-(5/8-3/4)
=9/4-3/4-5/8
=5/4-5/8
=10/8-5/8
=5/8
=(11/12+1/12)+(1/3+2/3)
=1+1
=2
6/5-5/7-2/7
=6/5-(5/7+2/7)
=6/5-1
=1/5
9/4-(5/8-3/4)
=9/4-3/4-5/8
=5/4-5/8
=10/8-5/8
=5/8
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
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