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Maths Olympiad – 牛吃草问题

Posted on: July 11, 2016

This is a very comprehensive video teaching the ‘Cows eat grass’ questions.

Here is a brief summary of what is covered:

一、牛吃草问题的“基本思路”

牛吃草问题的两个基本量:每天草的生产量、原草量

牛吃草问题的两种常见题型:已知头数求天数、已知天数求头数

二、牛吃草问题的八大题型

1.基本牛吃草问题

2.草衰减问题

3.多种角色问题

4.多块地问题

5. 排水问题

6 .排队问题

7.行程问题(多人相遇、多人追及、电梯问题)

8.特殊牛吃草问题

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