Question

aflati suma tuturor nr naturale care impartite la 5 dau catul egal cu restul!!!
Urgent!!!!7Dau coroana!!!!​

Answer 1

Răspuns:

n:5=cat,rest r

cat=rest=0,1,2,3,4<5

n:5=0 rest 0=>n=0

n:5=1 rest 1=>n=1•5•1=6

n:5=2 rest 3=>n=15+3=18

n:5=4rest 4=>4•5•4=24

S=0+6+12+18+2

S=60