Saturday

December 20, 2014

December 20, 2014

Posted by **Jose** on Sunday, December 27, 2009 at 6:12pm.

- Math -
**MathMate**, Sunday, December 27, 2009 at 6:17pmDo 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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