我想問......
4a
___ ÷ a = 28 依條方程點解呀?
7
THXXXXXXXXXXXXXXXXXXXXXX..........................
收錄日期: 2021-04-13 15:30:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080429000051KK01542