选择题:[多选题,1.9分] 下列关于厂商短期可变成本、不变成本和总成本关系的描述正确的是

题目内容:
[多选题,1.9分] 下列关于厂商短期可变成本、不变成本和总成本关系的描述正确的是

A.短期总成本等于短期可变成本加短期不变成本
B.短期总成本等于短期可变成本乘以短期不变成本
C.短期总成本曲线和短期可变成本曲线的形状一样
D.短期总成本曲线和短期不变成本曲线的形状一样
E.短期可变成本曲线和短期不变成本曲线的形状一样
参考答案:

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