Question

porfa me ayudan no responderán mal siii•́ ‿ ,•̀​

Answer 1

U=(números racionales) = 1, 50, 4.99, 142.

A=(números primos) = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 y 97.

B=(números múltiplos de 3) = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51