Question

A = (1, 2,5, 64
B = {2,3,59
AUB={1,2,3,5,64
ADB = {2,54
AB= { 1,69
B A = 39

va rog dau coroana​

Answer 1

A U B ={1,2,3,4,5,6,9}
ADB={2,5}