代入2,3,4,5,6,8,11,12
A X B = C
C ÷ D = E
F X G = E
F - H = A
收錄日期: 2021-04-13 00:45:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070711000051KK00314