https://www.youtube.com/watch?v=YfrsHvt6x8o&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=16
https://www.youtube.com/watch?v=3leYohJhnyA&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=17
https://www.youtube.com/watch?v=5KaGGXuLpks&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=18
https://www.youtube.com/watch?v=CqH6TNOo8Xc&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=19
https://www.youtube.com/watch?v=-c9cXwhHcCE&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=20
以上第四節
https://www.youtube.com/watch?v=Abb-PEOWgbw&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=21
https://www.youtube.com/watch?v=pY80Soa1UKE&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=22
https://www.youtube.com/watch?v=Zweai1-xN_U&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=23
https://www.youtube.com/watch?v=cKkNRKZJSfo&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=24
https://www.youtube.com/watch?v=kbTjjsxpi8M&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=25
https://www.youtube.com/watch?v=5OYRWEp15R0&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=26
https://www.youtube.com/watch?v=KmOxMDa5H1k&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=27
https://www.youtube.com/watch?v=Hu34JFGOeSA&list=PLLrcxowz5CW25xwpz3MPOUFETDoxQ643J&index=28
以上第六節
作業:1.數學課本第98、99頁。