載入中... 相關課程 Back 122 一元一次方程式 66:-m(x - b) = n(x - d) 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. 122 一元一次方程式 66:-m(x - b) = n(x - d) 上傳學習單 下載學習單