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抽屉原理是解决存在性问题的强有力的工具,运用抽屉原理解题的关键是 构造抽屉,巧妙的划分有助于设计出合乎题意的抽屉,找到合理的解题途径.对 于数学解题具有积极的指导意义.
Drawer principle is a powerful tool to solve existential problems. The key to using the original problem of the drawer is to construct drawers. Clever division helps to design a proper drawer and find a reasonable way to solve the problem. Positive guidance.