function-machine/addition/expert · Sada 50

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