Question

plzzz dau coroana spuneți raspunsul

Answer 1

A={1,2,3,4,5}
B={4,9,0,2,7,8}
AUB={0,1,2,3,4,5,7,8,9}
AinterB={2,4}
A-B={1,3,5}
B-A={0,7,8,9}

Answer 2

1<2x<=10 |:2
1/5<x<=5
A={2,3,4,5}
B={4,9,0,2,7,8}
A*reunit*B={0,2,3,4,5,7,8,9}
A*intersectat*B={2,4}
A\B={3,5}
B\A={0,9,7,8}