Back 【解題】拿出積木表示 56,並記在位值表 相關課程 0 / 750 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 【解題】拿出積木表示 56,並記在位值表 上傳學習單 下載學習單