並前往https://3ej8ej8.medium.com/4%E6%AD%B2%E6%95%B8%E6%84%9F-number-sense-%E7%9A%84%E7%99%BC%E5%B1%95%E8%88%87%E6%95%99%E5%AD%B8%E7%AD%96%E7%95%A5-9920745c1553