function-machine/subtraction/medium · Sett 75

8 problems
1
Input: 2 → [?] → 12, what is the rule? =
2
? → [×5] → 30 =
3
? → [×3] → 18 =
4
? → [+2] → 9 =
5
? → [×3 - 2] → 13 =
6
Input: 9 → [×3] → ? =
7
? → [×2 + 1] → 17 =
8
Input: 10 → [?] → 50, what is the rule? =
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