Pencil, paper, a watch, and nothing else on desk.

來源: One1618 於 2024-01-14 20:05:45 [] [舊帖] [給我悄悄話] 閱讀數 : (280 bytes)
回答: 謝謝。有趣的視角和解決方案 由 香草仙子 於 2024-01-14 18:45:31

 

Set the watch (say, 20 minutes, or longer.) Use only pencil and paper, to solve the problem(s). No interruption.

Can use the perplexors from mindware.com. They're not difficult but keep his mind engaged for a time duration.

 

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