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纠错
x and y are positive integers
$$x^{2}$$+$$y^{2}$$=89
xy=40
Quantity A：|x-y|
Quantity B：3
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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.
C显示答案
