MATHS QUESTION
回答 (3)
2007-09-23 7:14 pm
✔ 最佳答案
10÷5x20=40ans: 40 秒
2007-09-23 8:52 pm
after 40 seconds, the bell will sound 10下響聲. the time for sound this 10下響聲 after 40 seconds = 10 seconds
Therefore, the whole process for 10下響聲 from 0 second to complete = 40 + 10 = 50 seconds
Therefore, the whole process for 10下響聲 from 0 second to complete = 40 + 10 = 50 seconds
2007-09-23 7:15 pm
大鐘發出10下響聲經歷了40秒.
收錄日期: 2021-04-18 23:23:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070923000051KK01223