Three ships leave New York for France on the same day.
The round trip takes the first ship twelve days, the second ship sixteen days,
and the third ship twenty days. How many days will elapse before all three ships
again leave New York on the same day? Assume continuous round-trip activities for
all three ships. 作者: 食音食字 時間: 2009-5-2 17:00
識唔識Least common multiple (LCM) 作者: 來尋桃花 時間: 2009-5-2 17:27