µ¿ÀÏÇÑ ÅëÇÕ¹®¼¿¡¼ Sheet1ÀÇ [C5]¼¿, Sheet2ÀÇ [C5]¼¿, Sheet3ÀÇ [C5]¼¿ÀÇ ÇÕÀ» ±¸ÇÏ´Â ¼ö½Ä : =SUM(Sheet1:Sheet3!C5)