55%(n-6)=27.5
(w+1.6)÷12%=15
更新1:
55 ___ -3y= 1 4 __ 6 2
55 ___ -3y= 1 4 __ 6 2
收錄日期: 2021-04-21 13:34:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070524000051KK02009