Вспомни, какие числа получаются при умножении 2, 3, 4 и т. д. на числа от 1 до 9, и продолжи ряды чисел. 5, 10, 15, ...

5, 10, 15. 20, 25, 30, 35, 40, 45 3, 6, 9, 12, 15, 18, 21, 24, 27 5, 12, 18, 24, 30, 36, 42, 48, 54 2, 4, 6, 8, 10, 12, 14, 16, 18 7, 14, 21, 28, 35, 42, 49, 56, 63 9, 18, 27, 36, 45, 54, 63, 72, 81