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【简答题】
已知某企业的短期总成本函数是STC(Q)＝0.04Q 3 -0.8Q 2 +10Q+5，求最小的平均可变成本值。
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举一反三
【单选题】The paragraph that follows the text is probably about
A.
CUNY's reforms.
B.
CUNY's fate.
C.
CUNY's commitment.
D.
CUNY's mission.
【单选题】The ________ operator always follows the cin object, and the ________ operator follows the cout object. .24
【简答题】《小学教师专业标准(试行)》中“专业知识”维度包括哪些领域?
【简答题】A．The ringing sound can be annoying. B．Not every one follows the rules to use them. C．People don't really need them. D．Some people don't use them in the right places.
【多选题】以下关于串口通信的数据格式的描述正确的是:
A.
可以采用标准的串口通信协议数据格式
B.
只能采用标准的串口通信协议数据格式
C.
可以自定义，由上位机和下位机软件开发工程师协商定义
D.
不可以自定义
【单选题】The story focuses on the tragedy of the loss itself or the search that follows the loss.
A.
Orpheus
B.
Cinderella
C.
Circe
D.
Romeo and Juliet
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【单选题】The ________ operator always follows the cin object, and the ________ operator follows the cout object. .24