題目 : http://www.tut-world.com/p6_m04-1.htm (Question 1)
求Answer
Math Problem
2014-05-24 7:21 pm
回答 (2)
2014-05-24 8:38 pm
"A man ran 900 metres in 2 minutes." is the same as
"A man ran 900 metres in 120 seconds"
So, his speed was :
900/120
= 7.5 (m/s)
"A man ran 900 metres in 120 seconds"
So, his speed was :
900/120
= 7.5 (m/s)
收錄日期: 2021-04-16 17:01:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140524000051KK00042