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=(15-A1)/3 = A2/C1 SUM(A2:A4)/2 =A2+A3+D4
=(A5-A1)/3 =A2/C1 SUM(A2:A4)/2 =A2+A3+D4
=AVERAGE(A1:A4) =AVERAGE(A1, A2, A3, A4) =(A1+A2+A3+A4) /4 =AVERAGE(A1+A2+A3+A4)
=(15-A1)/3 =A2/C1 SUM(A2:A4)/2 =A2+A3+D4
=(15-A1)/3 =A2/C1 SUM(A2:A4) =A2+A3
=(15-A1) /3 =A2/C1 SUM(A2:A4) /2 A2+A3+D4
=(15-A1) =A2/C1 SUM(A2/A4) =A2+A3+D4
如果A1=90、A2=人数、A3=…""、A4=54、A5=36,则公式"=Count(A1:A5)"返回5 如果A1=6.28、A2=3.74,其余单元格为空,则公式"=Counta(A1:A7)"的计算结果等于2 如果A1=90、A2=人数、A3=""、A4=54、A5=36,则公式"=Count(A1:A5)"返回3 如果A1=6.28、A2=3.74,其余单元格为空,则公式"=Counta(A1:A7)"的计算结果等于3