Rule
2, 4, 6, 8, 10
+ 2
345, 347, 349, 351, 353
+ 2
4, 10, ____, 22, 28
16
44, 55, ____, 77, 88, _____
66, 99
6, 10, 14, 18 .... ____, _____
22, 26
9, 12, 15, 18, 21
+ 3
900, 800, 700, 600, 500
-100
8, 16, 24, 32 ____, ____
40, 48
14, ____, 24, 29, ____, 39
19, 34
9, 14, 19, 24 ____, _____, ____
29, 34, 39
89, 96, 103, 110, 117
+ 7
87, 81, 75, 69, 63
- 6
6, ____, 20, 27, 34
13
18, 21, _____, 27, 30, _____
24, 33
8, 15, 22, 29, 36....___ ____
43, 50
90, 84, 78, 72, 66
- 6
45, 56, 67, 78, 89
+ 11
54, 48, 42 _____, 30
36
34, 42, 50, 58, ____
66
100, 95, 90, ___ ____ ____
85, 80, 75
100, 110, 130, 160, 200
+10, +20, +30...
89, 69, 49, 29, 9
-20
73, 63, 54 ____, 39, 33, 28
46
450, 400, 360, ____, 310, 300
330
110, 210, 310, _____ ______ _____
410, 510, 610