A.分頁符 B.分節(jié)符 C.分欄符 D.換行符
A.=sum(3,4,5) B.=sum(E4:A1) C.=sum(5,6,...,10) D.=sum("12",23,"34")
A.計算相關(guān)系數(shù) B.預(yù)測未來值 C.計算記錄個數(shù) D.計算幾何平均數(shù)