Question

find the rule,then,write the missing items

1. 12,17,22____,32,____
2. _____,_____,67,70,73
3.56,_____42,35,28,______
4. 3_____27,81_______
5.78,70,62_______,______​

Answer 1

1. 12, 17, 22, 27, 32, 37

2. 61, 64, 67, 70, 73

3. 56, 49, 42, 35, 28, 21

4. 3, 9, 27, 81, 243

5. 78, 70, 62, 54, 46