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In a set of five consecutive integers, which of the following must change the average of the set without changing its original median ?
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A.Multiplying each of the numbers in the set by 6.
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B.Adding 10 to each of the numbers in the set.
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C.Subtracting 3.5 from each of the numbers in the set.
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D.Adding 8.2 to the 2 largest numbers and subtracting 8.2 from the 3 smallest numbers in the set.
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E.Adding 5 to the 2 largest and to the 2 smallest numbers in the set.
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F.Dividing each of the numbers in the set by 2.
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G.It's not possible to change the average of the set without changing its median.
E显示答案
