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No Plagiarism!hmYM6fXtY5NHrVznlmS3posted on PENANA 作品:速算8964 copyright protection237PENANAhplr9AZ4V5 維尼
作者:MR.writer8964 copyright protection237PENANADAOJUoVAbL 維尼
連結:https://www.penana.com/story/152194/%E9%80%9F%E7%AE%978964 copyright protection237PENANAhDOyGmcXFo 維尼
這不是數學,只是單純的速算,本人會盡量用最簡單易懂的方式讓你了解。8964 copyright protection237PENANAN65MqnbhOU 維尼
封面那隻吉祥物其實是由math組成的!你發現了嗎?8964 copyright protection237PENANAIku3x1z5mQ 維尼
241Please respect copyright.PENANAO300anpsqj
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目前章節:8964 copyright protection237PENANAEMfQQtH6Lz 維尼
兩位數X118964 copyright protection237PENANAwqAgzIe6NN 維尼
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多位數X一位數241Please respect copyright.PENANA1tWQtgYTO8
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抽籤的公平性問題8964 copyright protection237PENANAwfzgR3U0Nf 維尼
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