题目内容

运用需求弹性原理解释“薄利多销”和“谷贱伤农”。

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香烟的需求价格弹性是0.4,如果现在每盒香烟为12元,政府想减少20%的吸烟量,价格应该提高多少?

All cities are mad: but the madness is ____. All cities are beatiful: but the beauty is grim.---- Christopher Morley

Cities force growth, and make men talatie and entertaining, but they make them ____.---- Ralph Waldo Emerson

执行下列逻辑加运算(即逻辑或运算)10101010∨01001010其结果是____。

A. 11110100
B. 11101010
C. 10001010
D. 11100000

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