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回答 (2)
2007-04-17 6:39 am
✔ 最佳答案
25*2*3.14*15=2355cm2355/100=23.55m
2007-04-17 6:28 am
25x2x3.14x15
=50x3.14x15
=157x15
=2355
.．.這汽車每秒可行駛2355米.
=50x3.14x15
=157x15
=2355
.．.這汽車每秒可行駛2355米.
收錄日期: 2021-04-12 23:52:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070416000051KK05048