載入中... 相關課程 Back 087 一元一次方程式 31:-(x/a) = b 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. 087 一元一次方程式 31:-(x/a) = b 上傳學習單 下載學習單