function-machine/addition/medium · Série 50

7 problems
1
Input: 1 → [?] → 2, what is the rule? =
2
Input: 6 → [×5] → ? =
3
Input: 4 → [-1] → ? =
4
Input: 6 → [?] → 11, what is the rule? =
5
Input: 4 → [×2 + 1] → ? =
6
Input: 1 → [?] → 10, what is the rule? =
7
Input: 8 → [+4 ×2] → ? =
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