80%有冇b呢???
如果冇...咁幾多至幾多係c呢??
會考數學要幾分左右先有b呢??
2009-04-27 3:07 am
回答 (1)
2009-04-27 4:20 am
✔ 最佳答案
50 == D-E60 == C-D
70== B-C
80 ==A-B
收錄日期: 2021-04-19 17:41:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090426000051KK01659