Question

ma puteți ajuta e urgent dau coroana ​

Answer 1

Răspuns:

a)

$card(a) = 6$

b) B = {1, 2, 3, ...., 20}

$card(b) = 20$

c) C = {1, 2, 3, 4, 6, 8, 12, 24}

$card(c) = 8$

e) E = {0, 1, 2, ..., 89}

$card(e) = 90$