Răspunsuri

2014-05-08T11:04:13+03:00
1+2+3+4+5+...+100=(100x101) : 2=5050
multumesc
1+2+3+4+5+...+100=(100x101):2=5,050
fata virgula
Cel mai inteligent răspuns!
2014-05-08T11:08:34+03:00
Se aplica formula n(n+1)/2, unde n este ultimul termen al sumei.
Deci, tu ai avea
100*101/2=
50*101=5050
2 5 2