Mulțumesc anticipat
![Mulțumesc Anticipat class=](https://ro-static.z-dn.net/files/d1e/94216e3f2a05ae09bb8a6f617850d623.jpg)
20 : x => A={1,2,4,5,10,20}
x | 14 => B={1,2,7,14}
A intersectat cu B = {1,2}