推 nethow:XDDD 09/22 17:33
推 CHHO:XDDDDD 葉教授你...XD 09/22 19:56
推 peacemanpp:可以寫0嗎?? 其實我很想寫0的說..... 09/22 22:32
3. [Order of Magnitude] Prof. Yeh is losing his hair. Estimate how many hairs
he still has on his head based on biological data for normal people.
(噗...)
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