10个回答
展开全部
3/8÷(1-5/12-1/12)
=3/8÷(7/12-1/12)
=3/8÷1/2
=3/4
(2/5+3/7)ⅹ3.5
=2/5ⅹ3.5+3/7ⅹ3.5
=1.4+1.5
=2.9
3/4÷(3/5-3/5x1/3)
=3/4÷(3/5-1/5)
=3/4÷2/5
=15/8
=3/8÷(7/12-1/12)
=3/8÷1/2
=3/4
(2/5+3/7)ⅹ3.5
=2/5ⅹ3.5+3/7ⅹ3.5
=1.4+1.5
=2.9
3/4÷(3/5-3/5x1/3)
=3/4÷(3/5-1/5)
=3/4÷2/5
=15/8
本回答被网友采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
3/8÷(1-5/12-1/12)
=3/8÷(7/12-1/12)
=3/8÷6/12
=3/8×12/6
=3/4
(2/5+3/7)×3.5
=(14/35+15/35)×3.5
=29/35×3.5
=2.9
=3/8÷(7/12-1/12)
=3/8÷6/12
=3/8×12/6
=3/4
(2/5+3/7)×3.5
=(14/35+15/35)×3.5
=29/35×3.5
=2.9
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