function-machine/division/hard · Sarja 32

8 problems
1
Input: 1 → [?] → 5, what is the rule? =
2
? → [+4 ×2] → 12 =
3
Input: 5 → [+2] → ? =
4
Input: 9 → [×3 - 2] → ? =
5
Input: 4 → [?] → 12, what is the rule? =
6
Input: 9 → [×2 + 3] → ? =
7
Input: 8 → [×2 + 1] → ? =
8
? → [×2 + 3] → 21 =
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