function-machine/subtraction/medium · Série 25

8 problems
1
Input: 2 → [×5] → ? =
2
Input: 3 → [×2 + 1] → ? =
3
? → [-3] → 7 =
4
Input: 5 → [+10] → ? =
5
? → [+10] → 14 =
6
Input: 10 → [-1] → ? =
7
? → [×3 - 2] → 19 =
8
Input: 2 → [?] → 7, what is the rule? =
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