箏型面積計算的基本練習

Back

相關課程

0 / 750

⇐ 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.

箏型面積計算的基本練習

箏型面積計算的基本練習 : 小學五年級數學面積教學，本影片在練習箏型面積的基本計算。