等小孫女長大點帶她去看:)。
生動有趣的數學博物館!
所有跟帖:
• 謝謝幑寧點評鼓勵!你的想法跟我們一樣-:)周末快樂! -yuntai- ♂ (48 bytes) () 10/06/2023 postreply 18:48:05
• 謝謝幑寧點評鼓勵!你的想法跟我們一樣-:)周末快樂! -yuntai- ♂ (48 bytes) () 10/06/2023 postreply 18:48:05
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