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2014减去它的二分之一,再减去餘下的三分之一,再减去餘下的四分之一,以此類推,一直减到餘下的二零一四分之一,最後剩下數是什麼?2014×【(1-1/2)×(1-1/3)×(1-1/4)×……×(1-1/2014)】=2014×【1/2×2/3×3/…
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