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a fost răspuns

S= 3+6+9+...+99 va rog ma ajuta cineva? (suma lui Gauss)

Răspuns :

3(1+2+3+.......+33)                                                                                             3(1+33 x 33):2=                                                                                                3(34 x33):2=                                                                                                     3(17x33)=                                                                                                          3 x 561=                                                                                                         1683                                                                                                                     VEZI CA IMPARTITUL LA 2 ESTE DE FAPT SUPRA 2 NUMAI CA NU AM PUTUT SA PUN

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