【单选题】
在Excel 2007中，若在A1单元格中的值为9，在A2单元格中输入“=SQRT (A1)”按回车键后，则A2单元格中的值为___。
A. :O
B. ：3
C. :9
D. ：81
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答案
B
解析
暂无解析
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