anthonye595 anthonye595 16-04-2022 Mathematics contestada which number doesn't belong? 21, 18, 16, 7, 6 18, 10, 13, 11, 16 2, 16, 9, 7, 17 11, 16, 4, 8, 2 6, 9, 11, 15, 18 19, 9, 14, 8, 11