並前往https://isvincent.pixnet.net/blog/post/43302421-excel-%E6%8E%92%E9%99%A4%E6%96%87%E5%AD%97%E7%95%99%E4%B8%8B%E6%95%B8%E5%AD%97%E5%8A%A0%E7%B8%BD%28sumproduct%29