A.=REPLACE(""中國浙江萬里學院"",3,0,""寧波"") B.=REPLACE(""中國浙江萬里學院"",3,2,""寧波"") C.=REPLACE(""中國浙江萬里學院"",5,0,""寧波"") D.=REPLACE(""中國浙江萬里學院"",5,2,""寧波"")
A.=A1+A2+A3+A4 B.=SUM(A1+A4) C.=SUM(A1..A4) D.=SUM(A1:A3)