no wonder some mathematicians spend lifetime to prove 1+1=2
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lol
-老生长谈-
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02/17/2025 postreply
08:57:47
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thank god i am not a mathematician i am using common sense
-internuts-
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02/17/2025 postreply
09:10:41
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of course i know what it is in math world
-internuts-
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02/17/2025 postreply
09:19:06
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哪就好,以为又碰到一位无知无畏的人,
-数学博士-
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02/17/2025 postreply
09:55:42