Question

am nevoie de cele incercuite

Answer 1

11) a) A={1,2,3,4}
B={5,6,7}
b) A={1,2,4,6,7}
B={2,3,5,6,7}
c) A={0,1,3,4,5,6}
B={0,3,5,6}
13) a) A={3,6,7}
B={1,2,4,5}
b) A={1,2,3,4,5}
B={3,4,6,7}
c) A={2,3,4}
d) B={3,4,5}
14) a) A={a,b,c,d}
B={e,f,g,h}
b) A={a,b,c,d,e}
B={a,e}
c) A={a,b,e,f,g}
B={a,c,d,e,g}