function-machine/subtraction/expert · Set 82

8 problems
1
Input: 8 → [?] → 24, what is the rule? =
2
Input: 2 → [-1] → ? =
3
? → [-1] → 9 =
4
Input: 8 → [?] → 10, what is the rule? =
5
Input: 5 → [-3] → ? =
6
Input: 4 → [?] → 1, what is the rule? =
7
Input: 5 → [×2 + 3] → ? =
8
Input: 10 → [?] → 30, what is the rule? =
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