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1+2+3+.....+60=
Metoda Gauss va rogggggg


Răspuns :

S = 1 + 2 + 3 + ... + n = n ( n + 1 ) : 2

S = 1 + 2 + 3 + ... + 60 = 60 ( 60 + 1 ) : 2

S = 60 * 61 : 2

S = 30 * 41

S = 1230


1
[tex](1 + 60 \times 60 ) \div 2[/tex]