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问题 单项选择题

假设某投资者希望5年年末有10000元资金，年复利率为10%，则该投资者现在须一次存款( )元。

A．5000

B．6209

C．6805

D．7835

答案

参考答案：B

填空题

计算：（lg2）3+3lg2·lg5+（lg5）3=（    ）。
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单项选择题

To a router, a flow is a (1) of packets that share the same Characterstics, such as traveling the same (2) ,using the same (3) ,having the same kind of security, and so on. A router that supports the handling of flow labels has a (4) table. The table has an entry for each active flow label; each entry defines the (5) required by the corresponding flow label.

5（）

A．quality

B．Traffic

C．services

D．route
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