並前往https://www.knewstep.com/wp-content/uploads/2020/02/SU_Maths_Day-6_%E5%A4%9A%E9%A0%85%E5%BC%8F%E6%96%B9%E7%A8%8B%E5%BC%8F%E8%88%87%E4%B8%8D%E7%AD%89%E5%BC%8F_Teacher-Lam_Worksheet.pdf