Teacher’s sharing 您的瀏覽器不支援此影片格式。 Mr To Wai Hei Teacher at Wa Ying College 您的瀏覽器不支援此影片格式。 Mr Yeung Wing Leung Teacher at St. Paul’s Co-educational College Ms Luk Yin Wah Teacher at HKMLC Ming Tao Primary School Student-teacher’s sharing Lai Cheuk Hang Student of B.Ed. in Maths and Maths Education, CUHK Leung Tsz Chung Student of B.Ed. in Maths and Maths Education, CUHK Wong Tsz Ho Student of B.Ed. in Maths and Maths Education, CUHK
