Question

Aflati toate numerele naturale care impartite la 5 dau catul 12.

Answer 1

d=cxi+r r<5
d=12x5+r
d=60+r
r=0⇒d=60
r=1⇒d=61
r=2⇒d=62
r=3⇒d=63
r=4⇒d=64