並前往https://isvincent.pixnet.net/blog/post/35942935-excel-%E4%BB%A5%E5%85%AC%E5%BC%8F%E8%A8%88%E7%AE%97%E6%A8%9E%E7%B4%90%E5%88%86%E6%9E%90%E8%A1%A8%E7%B5%90%E6%9E%9C%28sumproduct%29