Răspunsuri

2014-10-28T08:44:55+02:00
5+10+15+...+995=5•1+5•2+5•3+...+5•199=(1+2+3+...+199)=5•(199•200):2=5•39800:2=199000:2=99500; dai termen comun( in cazul nostru 5 ) si aplici metoda lui gaus
3 5 3