載入中... 相關課程 Back S-9-10-S04 能理解三角形的重心到一頂點距離等於它到對邊中點的兩倍 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. S-9-10-S04 能理解三角形的重心到一頂點距離等於它到對邊中點的兩倍 上傳學習單 下載學習單