並前往https://isvincent.pixnet.net/blog/post/43988713-excel-%E5%88%97%E5%87%BA%E6%B8%85%E5%96%AE%E4%B8%AD%E5%90%84%E5%80%8B%E9%A0%85%E7%9B%AE%E7%9A%84%E6%95%B8%E9%87%8F%E5%8F%8A%E6%8E%92%E5%BA%8F%28sumprodu
