function-machine/subtraction/easy · Sada 54

8 problems
1
Input: 9 → [?] → 14, what is the rule? =
2
Input: 4 → [+2] → ? =
3
Input: 2 → [?] → 12, what is the rule? =
4
? → [+2] → 5 =
5
Input: 6 → [×3] → ? =
6
? → [×2] → 20 =
7
? → [+2] → 9 =
8
Input: 4 → [+10] → ? =
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