載入中... 相關課程 Back S-9-2-S11 能利用平行線截比例線性質理解三角形角平分線截對邊線段之比例等於兩鄰邊邊長比 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-9-2-S11 能利用平行線截比例線性質理解三角形角平分線截對邊線段之比例等於兩鄰邊邊長比 上傳學習單 下載學習單