1.課本https://www.youtube.com/watch?v=UIOsyTuHU_Q
2.影片https://www.youtube.com/watch?v=E2ERHr4KH-4
3.補充影片https://www.youtube.com/watch?v=8U1uw5fMbKU&list=PLzOyh7lsuiOojKMnaQMT7Q5mTxYoMC32V
上傳作業