试题与答案

=（）A、e B、e2 C、1 D、不存在

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题型：单项选择题

题目：

=（）

A、e

B、e2

C、1

D、不存在

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A

考点：高等数学高等数学题库
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