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No Plagiarism!ONVyB0M27Jjcdts7gQ4sposted on PENANA 作品:速算8964 copyright protection313PENANAp8O4ShaOXM 維尼
作者:MR.writer8964 copyright protection313PENANAJsblZlnPvG 維尼
連結:https://www.penana.com/story/152194/%E9%80%9F%E7%AE%978964 copyright protection313PENANAlgExJSILXU 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 protection313PENANAEV3E35d1Vm 維尼
封面那隻吉祥物其實是由math組成的!你發現了嗎?8964 copyright protection313PENANADJOHP80S2v 維尼
317Please respect copyright.PENANAwCTOYuRKqN
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目前章節:8964 copyright protection313PENANAaXahHkQzlY 維尼
兩位數X118964 copyright protection313PENANA5yWp7XbFdp 維尼
多位數X118964 copyright protection313PENANAPnh96Id3js 維尼
多位數X一位數317Please respect copyright.PENANACqG7OthE4i
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抽籤的公平性問題8964 copyright protection313PENANAP3ub7TEwDi 維尼
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