並前往https://ccenjor.pixnet.net/blog/post/226912145-2035excel%E7%9A%84%E4%BA%8C%E5%80%8B%E6%AA%94%E6%A1%88%E5%A6%82%E4%BD%95%E5%B0%87%E9%87%8D%E8%A4%87%E8%B3%87%E6%96%99%E5%88%AA%E9%99%A4-countif
