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题目描述这是 LeetCode 上的 9. 回文数，难度为简单。Tag : 「数学」、「回文串」给你一个整数 x ，如果 x 是一个回文整数，返回 true ；否则，返回 false 。回文数是指正序（从左向右）和倒序（从右向左）读都是一样的整数。例如，...

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