function-machine/addition/hard · Set 88

8 problems
1
? → [+2] → 9 =
2
Input: 4 → [?] → 1, what is the rule? =
3
Input: 3 → [×3] → ? =
4
? → [×2 + 1] → 15 =
5
Input: 6 → [?] → 16, what is the rule? =
6
Input: 2 → [×3] → ? =
7
Input: 2 → [?] → 1, what is the rule? =
8
? → [×5] → 25 =
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