[請益] 地球的實際面積(不算海洋)
各位都知道
地球的實際面積,陸地約1億3000多萬平方公里
但那是把地球當成一個完美的球型(實際上地球也很接近球型)
假設
如果把地球那凹凸不平的陸地
用熨斗燙平
那麼,地球的陸地面積,約可以增加到多少億平方公里?
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