function-machine/addition/expert · Set 14

7 problems
1
Input: 1 → [?] → 6, what is the rule? =
2
Input: 4 → [×2 + 3] → ? =
3
? → [×3 - 2] → 19 =
4
? → [+2] → 12 =
5
Input: 8 → [?] → 17, what is the rule? =
6
? → [-1] → 7 =
7
? → [+5] → 7 =
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