function-machine/subtraction/medium · Série 41

8 problems
1
Input: 8 → [×5] → ? =
2
? → [+4 ×2] → 24 =
3
Input: 10 → [?] → 12, what is the rule? =
4
? → [+4 ×2] → 18 =
5
? → [+4 ×2] → 28 =
6
Input: 1 → [?] → 3, what is the rule? =
7
Input: 9 → [?] → 45, what is the rule? =
8
Input: 2 → [×2 + 1] → ? =
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