Question

aflati+cel+mai+mic+numar+natural+care+impartit+la+numerele+15,+30+si+45+da,+de+ficare+data,+un+cat+diferit+de+zero+si+restul+13

Answer 1

n=15*c+13 ⇒n-13=15*c
n=30*k+13 ⇒n-13=30*k
n=45*p+13 ⇒n-13=45*p
n-13=c.m.m.m.c(15,30,45)
n-13=90
n=90+13=103