Medium · Set 60

8 problems
1
Input: 10 → [+2] → ? =
2
Input: 2 → [×2] → ? =
3
Input: 1 → [+2] → ? =
4
? → [×3 - 2] → 13 =
5
? → [+2] → 9 =
6
? → [×3 - 2] → 1 =
7
Input: 2 → [?] → 12, what is the rule? =
8
Input: 6 → [?] → 30, what is the rule? =
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