12 X 17
= 12 X (1+16)
= (12 X 1) + (12 X 16)
= 12 + 192
E條式叫咩名?
收錄日期: 2021-04-14 19:00:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080217000051KK04717