Question

1) {2,3,5,6,7} intersectat {0,4,6,8}
2) {1,3,5,6,7}–{1,2,3,4,5,6,7,8,9}
3) {3,4,5} reunit{0,1,6}reunit{7,8,9,10}

Answer 1

asta e rezolvarea...coroana te rog