Question

Aflati toate numerele naturale care impartite la 7 dau catul egal cu restul.

Answer 1

Cred :
X=7 * y + y 
Daca y=6 =>      X=7*6+6
Daca y=5=>       X=7*5+5
Daca y=4=>       X=7*4+4
Daca y=3=>       X=7*3+3
Daca y=2=>       X=7*2+2
Daca y=1=>       X=7*1+1
Daca y=0=>       X=7*0+0