function-machine/division/hard · Sarja 44

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