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【单选题】
执行以下程序段,若从键盘输入58,则输出结果是( )。 int a; scanf("%d",&a); if (a>50) printf("%d",a); if (a>40) printf("%d",a); if (a>30) printf("%d",a);
A.
58
B.
5858
C.
585858
D.
0
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A.
A1:D4和D3:G7两个单元格区域的数据之和
B.
A1:G7单元格区域数据之和
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【单选题】假定在Excel中有公式：=SUM(A1:D4 D3:G7)，且A1:D4，D3:G7均有正常数据存在。请问，最后得到的结果是（ ）
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