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

8 problems
1
Input: 1 → [?] → 0, what is the rule? =
2
? → [×2 + 1] → 7 =
3
Input: 6 → [-3] → ? =
4
Input: 10 → [×2] → ? =
5
Input: 9 → [-3] → ? =
6
Input: 5 → [?] → 13, what is the rule? =
7
? → [+5] → 13 =
8
Input: 9 → [+5] → ? =
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