Для множеств А= {-3,-2,-1,0,1,2,3}, В={3,5,7} и С={2,4,5} найдите: 1)(А ∩ B) ∩ C; 2)(A ∩ B) U C; 3) (A U B ) ∩ C
1)(А ∩ B) ∩ C; A ∩ B = {3} ∩ C = Пустое множество 2)(A ∩ B) U C; A ∩ B = {3} U C = {2,3,4,5} 3)(A U B ) ∩ C; A U B = {-3,-2,-1,0,1,2,3,5,7} ∩ C = {2,5}