function-machine/mixed-ops/hard · Set 82

8 problems
1
Input: 9 → [?] → 27, what is the rule? =
2
Input: 4 → [-1] → ? =
3
? → [+10] → 13 =
4
Input: 4 → [×2 + 3] → ? =
5
? → [×2 + 1] → 5 =
6
Input: 3 → [?] → 7, what is the rule? =
7
? → [+5] → 15 =
8
Input: 6 → [×5] → ? =
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