work on math problems 翻译一下

work on the math problem\u662f\u4ec0\u4e48\u610f\u601d

\u89e3\u51b3\u6570\u5b66\u9898\u76ee\u800c\u5df2. \u53e5\u91cc\u6ca1\u6709 Hard \u6216difficult\u4e4b\u7c7b\u7684\u5f62\u5bb9\u8bcd.

\u89e3\u51b3\u6570\u5b66\u95ee\u9898~~\u00b7

解决数学问题

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