4 times are enough for 42 balls, you need 5 times.

jinjing · 2010-05-02 14:12:59Z

4 times are enough for 42 balls, you need 5 times.簡介

來源: jinjing 於 2010-05-02 14:12:59 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (168 bytes)

回答: 用天平稱39個乒乓球由 Blue_Diamond 於 2010-05-01 21:01:19

Welcome back.I also want quit,but I can't.Your formula are quite good,but can improve.If 3 times were not enough for 13 balls,I would be totally wrong.Have a nice day.

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• 回複：4 times are enough for 42 balls, you need 5 times. -康MM- ♀ (123 bytes) () 05/03/2010 postreply 03:59:22

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