1994.IMO.4數(shù)論——對稱性討論與整除更緊的放縮。

2023-08-26 18:16 作者:封包 0人讀過 | 我要投稿

我思故我在。

——唯理論哲學家笛卡爾

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如果不使用對稱性在一開頭得到mn-1|m^2+n得到對稱性的話，在(II)處討論答案將十分吃力，巧用題目中的對稱性可以抵消非常多的計算量。個人覺得此處的對稱性處理技巧性十分的高，對數(shù)感要求很高。

高中生自行整理，如有錯誤，歡迎指出。

標簽：數(shù)學

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1994.IMO.4數(shù)論——對稱性討論與整除更緊的放縮。

我思故我在。