40分之28除2除4=????? (急...)?
回答 (6)
2017-04-18 11:09 pm
0.0875
2017-04-16 10:38 pm
36
2017-04-04 7:56 pm
7/80
2017-03-24 11:51 pm
{(28/40)/2}/4
=28/40*1/2*1/4 [分數相約]
=7/40*1/2
=7/80
=28/40*1/2*1/4 [分數相約]
=7/40*1/2
=7/80
2017-03-15 12:53 am
(((28/40)/2)/4)
=28/(40*2*4)
=28/320
=7/80(七分之八十)
=28/(40*2*4)
=28/320
=7/80(七分之八十)
2017-03-14 7:17 pm
Sol
[(28/40)/2]/4
=(28/80)/4
=28/320
=7/80
[(28/40)/2]/4
=(28/80)/4
=28/320
=7/80
收錄日期: 2021-04-30 22:07:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170314075053AAuoRP5