Concise notes for tackling thought-provoking questions Higher order & creative thinking skills questions for further mathematical exploration Challenging questions arranged topically, geared towards preparation for examinations Challenging Maths is written for pupils who want to apply their minds to limitless possibilities and to challenge themselves beyond the boundaries of ordinary understanding. This series is designed to offer pupils questions which encourage them to look at problems differently and to motivate them to look beyond what they think they are capable of. Comprising a series of six books, Challenging Maths has been prepared to help pupils achieve better grades and tackle the more challenging questions that appear in school examination papers. The units are arranged by topics and the questions are based on the latest MOE Mathematics syllabus. Each unit has worked examples followed by important revision notes to help pupils learn ways to solve challenging questions with ease and confidence.

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訂購新加坡商品 本次團購截單日期為每月1號和20號

• 所有新加坡商品均為預購商品，並非現貨，購買前請確認可接受的等候時間。
• 每月設有兩次截單日，截單日期為每月的1號和20號。截單日期後需預留14至21個工作天（不含星期六、日及香港和新加坡的假期），以便商品從新加坡運送至香港。
  • 例如：若顧客在5號下單，20號為截單日，則需於截單日後等待14至21個工作天送貨到港。
• 商品抵達香港後，將盡快安排寄出。
• 若訂單中同時購買現貨和新加坡商品，將優先寄出現貨商品，新加坡商品到港後再寄出。
• 一經付款，訂單恕不退款或退換（例如因人為因素造成的損壞、顧客訂錯商品或等待時間過長）。除非因生產過程中出現問題或損壞（如錯頁、倒印、倒裝或缺頁），客戶可申請換貨或退貨。
• 如有任何爭議，EPHmall 保留最終決定權。