Back 【解題】觀察百數表上 10 個一數的數的個位數字 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】觀察百數表上 10 個一數的數的個位數字 上傳學習單 下載學習單