Stanford mathematics professor Keith Devlin tells NPR's Audie Cornish "it's actually a very clever use of simple mathematics."
史丹佛大学数学教授Keith Devlin告诉NPR记者Audie Cornish：“这其实是一个从最简单的数学提炼出的非常高明的方式。”
Stanford mathematics professor Keith Devlin tells NPR's Audie Cornish "it's actually a very clever use of simple mathematics."
史丹佛大学数学教授Keith Devlin告诉NPR记者Audie Cornish：“这其实是一个从最简单的数学提炼出的非常高明的方式。”
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