載入中... 相關課程 Back N-7-5-S03_會應用絕對值來比較負數的大小。 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. N-7-5-S03_會應用絕對值來比較負數的大小。 上傳學習單 下載學習單