3个回答
2020-06-30 · 知道合伙人教育行家
关注
展开全部
13/15-(8/15+1/3)
=13/15-8/15-1/3
=1/3-1/3
=0
8/9-7/12+1/4
=11/36+1/4
=5/9
13/15-1/2+2/15-1/4
=(13/15+2/15)-(1/2+1/4)
=1-3/4
=1/4
1/3+(1/4+2/5)
=1/3+13/20
=59/60
=13/15-8/15-1/3
=1/3-1/3
=0
8/9-7/12+1/4
=11/36+1/4
=5/9
13/15-1/2+2/15-1/4
=(13/15+2/15)-(1/2+1/4)
=1-3/4
=1/4
1/3+(1/4+2/5)
=1/3+13/20
=59/60
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