1.U = _____
2.A = _____
3.B = _____
4.A U B = _____
5.B n A = _____
6.A' = _____
7.B' = _____
8.U' =
9.A — B = _____
10.B — A = _____​


1U 2A 3B 4A U B 5B N A 6A 7B 8U 9A B 10B A class=