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《中学生数学》2013.8中一文运用方程的思想给出两道竞赛题的简解,本文拟利用函数的思想给出这两道竞赛题的简解.例1(2010年世界团体锦标赛青年组个人赛第3轮第1题)已知x,y是正实数,且满足
This paper intends to use the idea of function to give a brief introduction of these two competition questions.Example 1 (2010 World Championship Youth Group Individual Competition Round 3 Question 1) It is known that x and y are positive real numbers and satisfy them