Cosminatoader1234567 Cosminatoader1234567 14-11-2021 Matematică a fost răspuns 8 19. Calculaţi: a) (5+10+15+ ... +2000):(1+2+3+...+400)+(2040+8):211 ; b) (4+8+12+16+ ... + 8000): (2+4+6+8+on+ 4000)+ (354 +353 +353):33 , c) (7+14+21+ ... +1400):(1+2+3+...+200)–162: (23)2; d) (6+12+18+...+600)2:(3+6+9+12+...+300):(1+2+3+...+100) va rog dau coroanaa
