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若要在工作表C36单元格中计算出1635班总分的平均成绩,以下函数正确的是()。

A.=AVERAGEIF(B21:B35,"1635",J21:J35)
B.=SUM(J21:J35)/COUNT(B21:B35,"1635")
C.=SUMIF(B2`1:B35,"1635",J21:J35)/COUNT(B21:B35,"1635")
D.=AVERAGEIFS(B21:B35,"1635",J21:J35,">=0")

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