Question

Найдите AnB ,если A=(1,2,3,4,5,6,7,8,9,) B=(4,6,8,10,).

Answer 1

{AB}=(1,4),(1,6).(1,8),(1,10)
(2,4),(2,6),(2,8),(2,10)
(3,4),(3,6),(3,8),(3,10)
и так далее