昨天看有同学贴的走马杯三年级竞赛题,其中有一道题是这样的:
某年六月恰好有5个星期一和5个星期日,这月的15号是星期几?
想起看过的几道美国某小学三年级数学提高班的练习题:
1. Our school starts on the day after Labor Day. Labor Day always falls on the first Monday in September.
When is the earliest date on which school will start? The latest date?
2. There are five Fridays, five Saturdays and five Sundays in October 2010.
Without checking the calendar, can you tell on what day Halloween (Octber 31st) falls?
3. Each November, Thanksgiving falls on the fourth Thursday of the month.
What is the earliest date on which Thanksgiving can fall? What is the latest date on which Thanksgiving can fall?
一直觉得美国的数学比不上国内,比较一下,这第三题比走马杯还多绕个圈呢~~~