1) 28, 32, 32, 34, 36, 36, _____
2) 2, 2, 4, 8, 14, _______
3) 33, 35, 38, 39, 43, 43, _____
4) 13, 17, 21, 25, 29, _____
5) 1, 4, 9, 16, 25, _______
6) 92, 88, 87, 83, 82, 78, _____
7) 128, 64, 32, 16, 8, _______
8) 110, 130, 150, 170, ____
9) 180, 36, 9, 3, _____
10) 45, 55, 50, 59, 55, 63, ______
11) 13, 39, 14, 42, 15, ______
12) 15, 60, 30, 120, 60, 240, ___
13) 91, 82, 73, 64, 55, _____
14) 1, 10, 11, 20, 21, ______
15) 7000, 700, 70, 7, _____
16) 11, 18, 25, 32, 39, ____
17) 81, 64, 49, 36, 25, _____
18) 24, 12, 14, 7, 9, ____
19) 300, 260, 280, 230, 260, 200, ______
20) 43, 44, 47, 49, 51, 54, ______
