The paper introduces the principle of drawer and how to instruct drawer. It offers some examples that use the principle of drawer. 本文介绍了抽屉原理及如何构造抽屉,举例说明了利用抽屉原理解题的几种方法。
The application of the drawer principle in the demonstration of one integer divided by another with no remainder 抽屉原则在证明整除性问题中的应用
The connotation of the drawer principle is when the balls with arbitrary natural number are put into the drawers with the equal number, at least one drawer is sure to contain two or even more balls. 抽屉原则就是把多余n个球,任意分放到n个抽屉里,则至少有一个抽屉里放进了两个或更多的球。
Practical application of the drawer principle free difference set 抽屉原则与自由差集