並前往https://www.carousell.com.hk/p/f-4-f-6-maths-mc-%E7%B2%BE%E8%8F%AF-%E9%AB%98%E4%B8%AD%E9%AB%98%E4%B8%AD%E6%95%B8%E5%AD%B8%E7%B7%B4%E7%BF%92-dse-1176147764/