並前往https://www.raslish.com/excel%E4%B8%AD%E5%A6%82%E4%BD%95%E9%80%9A%E9%81%8Ecountif%E4%BD%BF%E7%94%A8rank%E5%92%8Csumproduct%E5%87%BD%E6%95%B8.html