五分之9-8分之5+8分之3等于几分之几?

2025-03-23 16:47:39
推荐回答(2个)
回答1:

9/5-5/8+3/8
=9/5-2/8
=72/40-10/40
=62/40
=31/20
等于二十分之三十一。

回答2:

9/5-5/8+3/8
=9/5-(5/8-3/8)
=9/5-1/4
=36/20-5/20
=31/20
=1又11/20