14, 6, 2, 0, X x=?
回答 (1)
2018-01-06 12:02 pm
x=-1
收錄日期: 2021-04-26 15:49:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180105191522AA4SQJR