function-machine/subtraction/hard · Sarja 49

8 problems
1
Input: 7 → [×2 + 1] → ? =
2
Input: 4 → [-3] → ? =
3
? → [×3] → 21 =
4
Input: 9 → [-3] → ? =
5
Input: 10 → [×3] → ? =
6
? → [×5] → 40 =
7
? → [+2] → 9 =
8
Input: 10 → [?] → 30, what is the rule? =
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