function-machine/subtraction/hard · Set 36

8 problems
1
Input: 6 → [?] → 12, what is the rule? =
2
Input: 7 → [+2] → ? =
3
? → [-1] → 8 =
4
Input: 4 → [×3 - 2] → ? =
5
Input: 9 → [+10] → ? =
6
Input: 6 → [?] → 5, what is the rule? =
7
Input: 10 → [?] → 30, what is the rule? =
8
Input: 2 → [×3] → ? =
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