フィボナッチの日あるんだ #昨日のあったんだ
Break out the calculators: November 23 is Fibonacci Sequence Day | Popular Science
https://www.popsci.com/science/fibonacci-sequence-day-2025/
フィボナッチの日あるんだ #昨日のあったんだ
Break out the calculators: November 23 is Fibonacci Sequence Day | Popular Science
https://www.popsci.com/science/fibonacci-sequence-day-2025/
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