Aflati numerele naturale cuprinse intre 50 si 250, care impartite la 9 dau restul 1 si impartite la 7 dau restul tot 1

Răspuns :

La 9 : 55,64,73,82,91,100,109,118,127, 136,145,154,163,172,181,190,199,208,
217,226,235,244.
La 7 : 57,64,71,78,85,92,99,106,113,
120,127,134,141,148,155,162,169,176,
183,190,197,204,211,218,225,232,239,
246.