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[单选题]
在Exce1单元格“D3”中输入函数“=SUM(A3:C3)/$C$8”,拖动填充柄到D7单元格,则D7单元格中的内容是()
A.SUM(A7:C7)/$C$8
B.=SUM(A7:C7)/C8
C.=SUK(A7:C7)/$C$8
D.=SUM(A3:C3)/$C$8
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、=SUK(A7:C7)/$C$8
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.SUM(A7:C7)/$C$8
B.=SUM(A7:C7)/C8
C.=SUK(A7:C7)/$C$8
D.=SUM(A3:C3)/$C$8
C、=SUK(A7:C7)/$C$8