function-machine/addition/hard · Set 52

8 problems
1
? → [×2] → 2 =
2
? → [×5] → 50 =
3
? → [+5] → 15 =
4
Input: 4 → [?] → 12, what is the rule? =
5
Input: 9 → [-1] → ? =
6
Input: 8 → [?] → 5, what is the rule? =
7
Input: 6 → [-3] → ? =
8
Input: 8 → [?] → 17, what is the rule? =
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