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Calculati
n= 1•51+2•51+3•51+.....+50•51


Răspuns :

n= 51 ( 1+2+3+....+ 50). ; n=50*51*52/2= 25*51*52 = 66300

N=51*(50+1)*50/2=51*51*25=65025

Suma Gauss