数学竞赛题一般比较灵活,有一定难度。不仅要求解答者有扎实的基础知识,较强的数学能力,更要有正确清晰的思路。我们常发现一些学生,拿到题目不经认真思考就一头扎进去,陷于复杂计算、繁琐论证不能自拔。其实许多竞赛题往往并不需要很大运算量,很长的推证过程。 Math contest questions are generally more flexible and have a certain degree of difficulty. Not only does the requester have solid basic knowledge, strong mathematics ability, but also correct and clear thinking. We often find that some students get their heads without serious thoughts and get stuck in complex calculations and tedious arguments. In fact, many competition questions often do not require a large amount of computation and a long process of inference.