题目内容
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S is the set of all ordered pairs (x, y) of integers such that -10 ≤ x ≤ 10 and -5 ≤ y ≤ 15.
Quantity A:The number of ordered pairs (x, y) in S such that x=y
Quantity B:16
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AQuantity A is greater.
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BQuantity B is greater.
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CThe two quantities are equal.
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DThe relationship cannot be determined from the information given.
C显示答案