题目内容
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n is a positive integer and 0< s< 10.
Quantity A:$$\frac{1}{n}+\frac{1}{n+s}+\frac{1}{n+10}$$
Quantity B:$$\frac{3}{n+10}$$
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AQuantity A is greater.
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BQuantity B is greater.
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C The two quantities are equal.
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DThe relationship cannot be determined from the information given.
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