Продолжи ряд чисел 1,2,4,7,11,16,22,29, ..., ..., 20,18,19,17,18,16,17, ..., ...,

Продолжим первый ряд.

1, 2, 4, 7, 11, 16, 22, 29, 37, 46, 56, 67, 79.

1 + 1 = 2;

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;

56 + 11 = 67;

67 + 12 = 79. и т. д.

Продолжим второй ряд.

20, 18, 19, 17, 18, 16, 17, 15, 16, 14, 15, 13, 14, 12, 13.

20 - 2 = 18;

18 + 1 = 19;

19 - 2 = 17;

17 + 1 = 18;

18 - 2 = 16;

16 + 1 = 17;

17 - 2 = 15;

15 + 1 = 16;

16 - 2 = 14;

14 + 1 = 15;

15 - 2 = 13;

13 + 1 = 14;

14 - 2 = 12;

12 + 1 = 13. и т. д.