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【单选题】
在Excel2010的工作表中,若单元格A1=20、B1=32、A2=15、B2=7,iv在单元格C1中输入公式“=A1*B1”时,将此公式复制到C2单元格的值是( )
A.
640
B.
105
C.
140
D.
224
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