摘要 Abstract 

從小至大，多數人學過不少數學，它可做為邏輯思考的基礎，成為科學研究之母。其實，它與生活息息相關，可為非常普通的概念。對於生活上的數學問題，你有認真思考過嗎？例如：一個頭兩個大，長寬高都是兩倍嗎？

Most people have studied lots of mathematics. It can serve as a foundation for logical thinking and is often regarded as the mother of scientific research. It can be seen as a very ordinary concept in daily life. For example, when we say “one head becomes two heads bigger,” does that mean the length, width, and height all become twice as large?