載入中... 相關課程 Back 【觀念】乘法對加、減法分配律的整理 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. 【觀念】乘法對加、減法分配律的整理 上傳學習單 下載學習單