1:洗衣粉一盒重2公斤,用去1又6分之1公斤,剩下多少公斤?
2:有橙汁1又2分1升,汽水的份量是橙汁的7分之2,有汽水多少升?
簡單分數~~~~~~~~~
2008-02-17 6:58 am
回答 (3)
2008-02-17 7:48 pm
1. 2 - 7/6 = 5/6公斤
2. 3/2 x 2/7 = 6/14 = 3/7升
2. 3/2 x 2/7 = 6/14 = 3/7升
2008-02-17 7:06 am
1) 2- 1(1/6)
=1(6/6) - 1(1/6)
=5/6 (kg)
2) 1(1/2) * (2/7)
=(3/2) * (2/7)
=3/7 (kg)
=1(6/6) - 1(1/6)
=5/6 (kg)
2) 1(1/2) * (2/7)
=(3/2) * (2/7)
=3/7 (kg)
2008-02-17 7:05 am
1. 2 - 7/6 = 5/6公斤
2. 3/2 x 2/7 = 6/14 = 3/7升
2. 3/2 x 2/7 = 6/14 = 3/7升
收錄日期: 2021-04-19 00:32:04
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https://hk.answers.yahoo.com/question/index?qid=20080216000051KK05038