1、SUM函數(shù) SUM函數(shù)的作用是求和。統(tǒng)計(jì)一個(gè)單元格區(qū)域:=sum(A1:A10)統(tǒng)計(jì)多個(gè)單元格區(qū)域:=sum(A1:A10,C1:C10)2、AVERAGE函數(shù) Average 的作用是計(jì)算平均數(shù)。3、COUNT函數(shù) COUNT函數(shù)計(jì)算含有數(shù)字的單元格的個(gè)數(shù)。COUNT函數(shù)參數(shù)可以是單元格、單元格引用,或者數(shù)字。COUNT函數(shù)會(huì)忽略非數(shù)字的值。如果A1:...