[size=85]https://youtu.be/gFoGN5bpQ_w[/size]
On-line Learning w/ Teachers' narration
COTV主愛電視台 片段1
[size=85]https://www.youtube.com/watch?v=8T0pXAwkLbk[/size]
COTV主愛電視台 片段2
[size=85]https://www.youtube.com/watch?v=IMiS7SCP-hU&feature=youtu.be[/size]
MathPkps teachers
MathPkps teachers
[size=85]https://youtu.be/Pqar3GvTAY8[/size]
MathPkps teachers
[size=85]https://www.youtube.com/watch?v=ZfmJG2Cu3X0[/size]
lkkb math teachers - 圓周和直徑
[size=85]https://youtu.be/OzQS7kgpjqI[/size]