15/16÷3=?
7/12÷4=?
9/14÷6=?
15/28÷21=?
5又3/4÷3=?
3又3/5÷2=?
2又5/8÷7=?
4又1/2÷6=?
收錄日期: 2021-04-12 18:57:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070326000051KK03806