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纠错
$$x \lt y \lt 0$$
Quantity A
$$\frac{1}{2}(x+y)$$
Quantity B
$$\frac{1}{2}x + y$$
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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.
A显示答案
