function-machine/subtraction/easy · Sada 38

8 problems
1
? → [×3] → 6 =
2
? → [-1] → 1 =
3
Input: 1 → [?] → 6, what is the rule? =
4
? → [×2] → 20 =
5
Input: 2 → [-1] → ? =
6
Input: 6 → [?] → 12, what is the rule? =
7
Input: 6 → [?] → 5, what is the rule? =
8
Input: 5 → [?] → 25, what is the rule? =
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