Question

НАЙДИТЕ AUB И AUB,ТДЛЯ МНОЖЕСТВА A И B: a)A=6,7,9,11,12 B =5,8,10,13,9 b)A=1,2,3,4 B=5,6,7,8 c)A=1,3,5,7 B=1,2,3,4,5,6,7,8,9.

Answer 1

a) 1: {9} 2:{5,6,7,8,9,10,11,12,13}  b) 1: ∅ 2: { 1,2,3,4,5,6,7,8} c) 1: { 1,3,5,7} 2 : {1,2,3,4,5,6,7,8,9}