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

来源: One1618 于 2024-01-14 20:05:45 [] [旧帖] [给我悄悄话] 阅读数 : (280 bytes)
回答: 谢谢。有趣的视角和解决方案 由 香草仙子 于 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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