(5/6-3/4)÷(2/3+4/9) (1-1/6×2/5)÷7/9
(5/6-3/4)÷(2/3+4/9)(1-1/6×2/5)÷7/9(5/9+1/13)×9+4/135/4-(3/4-1/8)-3/8简算...
(5/6-3/4)÷(2/3+4/9) (1-1/6×2/5)÷7/9 (5/9+1/13)×9+4/13 5/4-(3/4-1/8)-3/8
简算 展开
简算 展开
2个回答
展开全部
(5/6-3/4)÷(2/3+4/9)
= (10/12-9/12)÷(6/9+4/9)
=1/12÷10/9
=1/12 x 9/10
=3/40
~~~~~~ (1-1/6×2/5)÷7/9
=(1-1/15) ÷ 7/9
=14/15 x 9/7
=6/5
~~~~~
(5/9+1/13)×9+4/13
=5/9 x 9 + 1/13 x 9 +4/13
=5 + 9/13 + 4/13
=5 + 1
=6
~~~~~
5/4-(3/4-1/8)-3/8
=5/4 - ( 6/8 - 1/8 ) - 3/8
=5/4 - 5/8 -3/8
=5/4 - 1
=1/4
= (10/12-9/12)÷(6/9+4/9)
=1/12÷10/9
=1/12 x 9/10
=3/40
~~~~~~ (1-1/6×2/5)÷7/9
=(1-1/15) ÷ 7/9
=14/15 x 9/7
=6/5
~~~~~
(5/9+1/13)×9+4/13
=5/9 x 9 + 1/13 x 9 +4/13
=5 + 9/13 + 4/13
=5 + 1
=6
~~~~~
5/4-(3/4-1/8)-3/8
=5/4 - ( 6/8 - 1/8 ) - 3/8
=5/4 - 5/8 -3/8
=5/4 - 1
=1/4
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