Question

va rog multttt,rapiddd​

Answer 1

1. AUB= {1,2,3,4,5,7,8}

C-B={1,7}

(AUB) n (C-B) = {1,7} => b

2. D324 ={1,2,34,6,9,12,18,27,36,54,81,108,162,324}

324 are 15 divizori => x = 15