All the following have the same value EXCEPT
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A\frac{1+2+3+4+5}{3}
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B\frac{1}{3}\cdot({1}+{1}+{1}+{1}+{1})
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C\frac{1}{3}+\frac{1}{3}+\frac{1}{3}+\frac{1}{3}+\frac{1}{3}
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D\frac{2}{3}\cdot(\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2})
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E\frac{1}{3}+\frac{2}{6}+\frac{3}{9}+\frac{4}{12}+\frac{5}{15}
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正确答案: A