最終更新日：2025/11/25
A Kaprekar number like 297 demonstrates a curious property: squaring it yields 88209, which can be split into 88 and 209 that add back to 297.
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A Kaprekar number like 297 demonstrates a curious property: squaring it yields 88209, which can be split into 88 and 209 that add back to 297.
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