111 一元一次方程式 55：ax - b = -cx | 熱血教師 | 均一教育平台

x

Back

111 一元一次方程式 55：ax - b = -cx

⇐ 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.

111 一元一次方程式 55：ax - b = -cx