載入中... 相關課程 Back 067【數的運算規則 30】分配律的合併運算 10 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. 067【數的運算規則 30】分配律的合併運算 10 上傳學習單 下載學習單