Can you name the correct sum?

created by mirek1977
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1+2+3+...+98+99+100 = ?
1+2+3+...+48+49+50 = ?
1+2+3+...+78+79+80 = ?
1+2+3+...+18+19+20 = ?
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Gauss summation Quiz

  1. by mirek1977
  • Created Nov 18, 2009 in Science
  • Game Plays 111

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