A.8/8 B.8/9 C.8/10 D.9/10
A.=AVERAGE(B$2:B$5) B.=AVERAGE(C$2:C$5) C.=AVERAGE(B$197:B$200) D.=AVERAGE(C$197:C$200)
A.多道批處理 B.分時 C.實時 D.網(wǎng)絡