並前往https://sites.google.com/school.saihs.edu.tw/jill/excel%E6%95%99%E5%AD%B8/excel%E6%95%99%E5%AD%B8-%E4%B8%8D%E5%8F%8A%E6%A0%BC%E4%BA%BA%E6%95%B8%E9%AB%98%E5%88%86%E7%BE%A4%E4%BA%BA%E6%95%B8%E5%87%BD%E6%95%B8countif