Răspunsuri

2014-10-14T08:11:20+03:00
Cel mai inteligent răspuns!
2014-10-14T08:11:49+03:00
8+16+24+32+.....+4000=
Soatem factor comun pe 8
8x(1+2+3+4+.....+500)=
Efectuam folosind suma lui Gauss
S=8x(500+1)x500:2=
S=8x501x500:2
S=4008x500:2
S=2904000:2
S=1452000