2. Microsoft Excel . 3. 4. 2. N6-R6 A, B, C, D, F . :N6A
=COUNTIF(C6:M6,">=90") . N40 .O6B
=COUNTIF(C6:M6,">=80")-(COUNTIF(C6:M6,">=90")),P6C
=COUNTIF(C6:M6,">=70")-(COUNTIF(C6:M6,">=80")),Q6D
=COUNTIF(C6:M6,">=60")-(COUNTIF(C6:M6,">=70")),R6F
=COUNTIF(C6:M6,"=80")),C44D
=COUNTIF(C6:C40,">=60")-(COUNTIF(C6:C40,">=70")),C45F
=COUNTIF(C6:C40,"
