Question

19. Fie A ………. Aflați (doar 19) repede va rooog

Answer 1

Răspuns:

Explicație pas cu pas:

19)

A={1,4,8,12,16,20,24,28,32,36,40,44,48,52,56}

B={18,24,30,36,42,48,54,}

A/B= {1,4,8,16,20,28,32,40,44,52,56}

B∩A={24,36,48}

B/A={18,30,42,54}