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$$x^{-1}y^{-1}$$ > 0
Quantity A： $$\frac{x^{-1}}{y^{-1}}$$
Quantity B： $$\frac{x}{y}$$
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A.Quantity A is greater.
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B.Quantity B is greater.
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C.The two quantities are equal.
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D.The relationship cannot be determined from the information given.
D显示答案
