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数学竞赛中的解题,常以“巧思妙解”而令人赞叹不已,而这些“巧思妙解”并不是凭空想象的,都来源于对数学知识和方法的深刻领会和灵活运用。下面来看一道1985年全国初中数学联赛题:
The problem solving in the math competition is often admired by the “ingenious solution”. These “ingenious solutions” are not fantasically imagined. They all come from profound understanding and flexible use of mathematical knowledge and methods. Let’s look at a 1985 national junior high school mathematics league title: