Question

срочно решите на картинке

Answer 1

$A={x in N, 2<xleq 6}={3;4;5;6}\ \ B={2;3}\ \ C={x in N, x^2-4=0}={2}\ \ 3) Bcap C={2} \ \ 4) Atimes C={(3;2),(4;2),(5;2),(6;2)}$