Va rog repede!!!! Doar cele care sunt încercuite...dau coroana!!!

10)
A={1,2,3,4,6}
B={1,2,3}
11)
A={1,2,4,6,7}
B={2,3,5,6,7}
12)
A={1,3,4}
B={1,2,3}
13).
A={1,2,3,4}
B={3,4,5,6,7}
14)
A={a,b,c,d,e,g}
B={a,e,f ,g,h}