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    问题:

    A.向水平方向B.向垂直方向C.按住Shift键向水平方向D.按住Shift键向垂直方向

    A.向水平方向

    B.向垂直方向

    C.按住Shift键向水平方向

    D.按住Shift键向垂直方向


      参考答案

    正确答案:B
    解析:因为总成绩=平时成绩*30%+考试成绩*70%,所以E2中应该填入=SUM(C2*30%,D2*70%),只要按垂直方向拖动填充柄即可求出其他学生的最终成绩。因此答案为C,B。

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