function-machine/addition/easy · Sett 39

8 problems
1
Input: 10 → [?] → 9, what is the rule? =
2
Input: 4 → [?] → 12, what is the rule? =
3
? → [+5] → 15 =
4
Input: 5 → [?] → 10, what is the rule? =
5
Input: 7 → [×3] → ? =
6
? → [+2] → 5 =
7
Input: 9 → [?] → 14, what is the rule? =
8
Input: 1 → [+5] → ? =
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