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1+2+3+.........100(repede am nevoie ,dau coroana)

Răspuns :

1+2+3+++100=
100x101:2=
10100:2=5050
[tex]Suma~ Gauss[/tex]
[tex]S=1+2+3+...+n=n (n+1):2[/tex]
[tex]S=100* (100+1) :2[/tex]
[tex]S=100*101:2 [/tex]
[tex]S=50*101[/tex]
[tex]\boxed{S=5050}[/tex]