function-machine/addition/medium · Set 38

8 problems
1
Input: 7 → [?] → 17, what is the rule? =
2
? → [+4 ×2] → 16 =
3
Input: 4 → [-3] → ? =
4
? → [×5] → 30 =
5
Input: 2 → [×3] → ? =
6
? → [×3] → 9 =
7
Input: 2 → [+4 ×2] → ? =
8
Input: 4 → [×2 + 1] → ? =
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