function-machine/subtraction/medium · סט 50

8 problems
1
? → [×2 + 3] → 11 =
2
Input: 8 → [×2 + 1] → ? =
3
Input: 9 → [-3] → ? =
4
Input: 6 → [?] → 18, what is the rule? =
5
? → [×5] → 20 =
6
Input: 3 → [?] → 15, what is the rule? =
7
Input: 3 → [?] → 9, what is the rule? =
8
Input: 1 → [?] → 5, what is the rule? =
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