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《数学通讯》2012年4月上半月刊《问题征解》栏目中的第95题是安振平老师提供的不等式问题,题目如下:问题1已知正实数x,y满足x~7+y~7=x~5+y~5,求证:x~2+y~2≤2.无独有偶,《数学通报》2012年第9期“数学问题解答”栏目中的第2078题也是由安振平老师提供的不等式问题,题目如下:
Problem 95 is the inequality problem provided by Professor An Zhenping. The questions are as follows: Problem 1: The known positive real number x, y satisfies x ~ 7 + y ~ 7 = x ~ 5 + y ~ 5, verify: x ~ 2 + y ~ 2≤2. Coincidentally, “Mathematical Bulletin” No. 9 of 2012 “Mathematics problem solving” Inequalities provided by the teacher, the title is as follows: