=if(A1<0.8,"较差",if(A1<=1.2,"一般","良好"))
=IF(AVERAGE(A1:C1)>1.2,"良好",IF(AVERAGE(A1:C1)>0.8,"一般","较差")) A1:C1为平均值范围。
=if(A2>1.2,"良好",if(A2>0.8,"一般","较差"))
假若你的几个数据在A到E列,则 F列的公式可以这样
=LOOKUP(AVERAGE(A1:E1),{0,0.80001,1.20001},{"较差","一般","良好"}),向下拖拉公式
=if(a1>1.2,"良好",if(a1>0.8,"一般","差"))