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In a sequence, $$S_{1} = 1$$, $$S_{n} = 1/7 * S_{n-1}$$, （n≥2）。
Quantity A: $$S_{12}$$
Quantity B: $$S_{26}* 49^7$$
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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.
C显示答案
