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奧數問題:2016^3-2015^3+2014^3-2013^3+……+2^3-1^3的末尾數位是幾?2016^3的末尾數位是62015^3的末尾數位是52014^3的末尾數位是42013^3的末尾數位是72012^3的末尾數位是82011^3的末尾數位是12010^3的末尾數位是020…
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