2010年乐灵南外冲刺六年级寒假数学
南京奥数网
2011-04-11 10:30:46
2010乐灵南外冲刺六年级寒假数学
内容摘要：
1、As is shown in the picture, two ants are walking along the side of a standard triangle; they start at the same time from Point A and Point B to Point C. AntA waik along the side clock wisely(顺时针)by 1cm per second; AntB get back when meet Point A or C by 1.8cm per second. How long will Anta and B meet each other for the first fime?
2、LaoMa learnt a flying trick from Monkey King. He can either fly 45km from east to west or 108km from west to east by one somersault,one day, LaoMa went to visit Monkey King who lived to the east of his home, and the distance is 135km. How many somersaults should LaoMa turn to reach Monkey King?
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