Разница между числами увеличивается на 1: 2, 3, 4, 5, 6...
2 + 2 = 4
4 + 3 = 7
7 + 4 = 11
11 + 5 = 16
16 + 6 = 22
22 + 7 = 29
29 + 8 = 37
37 + 9 = 46
46 + 10 = 56
Чередование: -2, +3, -2, +3...
10 - 2 = 8
8 + 3 = 11
11 - 2 = 9
9 + 3 = 12
12 - 2 = 10
10 + 3 = 13
13 - 2 = 11
11 + 3 = 14
14 - 2 = 12
12 + 3 = 15
Разница между числами: +3, +4, +3, +4...
3 + 3 = 6
6 + 4 = 10
10 + 3 = 13
13 + 4 = 17
17 + 3 = 20
20 + 4 = 24
24 + 3 = 27
27 + 4 = 31
Ответ: 1) 2, 4, 7, 11, 16, 22, 29, 37, 46, 56; 2) 10, 8, 11, 9, 12, 10, 13, 11, 14, 12, 15; 3) 3, 6, 10, 13, 17, 20, 24, 27, 31.