Savinfrancesca Savinfrancesca 09-10-2016 Matematică a fost răspuns 2+4+6+...+100= 1+3+5+...+99= 3+7+11+15+....+43= 3+6+9+12+....+2019= 5+10+15+20+....+2020= 4+8+12+....+2020= 7+14+21+....+2023=