function-machine/addition/hard · Set 92

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