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纠错
a is a positive integer.
Quantity A
$$\frac{(3a)(3a)}{3}$$
Quantity B
$$\frac{3a+3a}{3}$$
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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.
A显示答案
