載入中... 相關課程 Back 066【數的運算規則 29】分配律的合併運算 9 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. 066【數的運算規則 29】分配律的合併運算 9 上傳學習單 下載學習單