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If k, n and p are consecutive positive even integers and k < n < p, which of the following must be an integer?
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A.$$\frac{k+n+p}{4}$$
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B.$$\frac{k+n+p}{6}$$
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C.$$\frac{k+n+p}{9}$$
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D.$$\frac{k+n+p}{10}$$
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E.$$\frac{k+n+p}{15}$$
B显示答案
