function-machine/addition/hard · Set 27

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