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March 29, 2017

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What it 120+119+118+117+116...+2+1

  • Math - ,

    Do it the mathematician's (Gauss) way:
    1 + 2 + 3 + ..........+ 60 +
    120 + 119 + 118 + 117 + ...+61

    = 121 + 121 + 121 + 121 + ....(sixty times)

    Can you take it from here?

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