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解謎/算術解謎/猜我的數字/解決方案
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來自華夏公益教科書，面向開放世界開放的書籍
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解謎
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算術解謎
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猜我的數字
只有陳述 1 和陳述 3 為真。該數字為 499849。707^2 = 499849 499849<500000
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書：解謎
華夏公益教科書
