function-machine/mixed-ops/medium · مجموعة 20

8 problems
1
? → [-1] → 4 =
2
? → [+5] → 7 =
3
Input: 2 → [?] → 1, what is the rule? =
4
Input: 5 → [×2 + 1] → ? =
5
Input: 5 → [?] → 4, what is the rule? =
6
? → [+2] → 4 =
7
? → [×2] → 16 =
8
Input: 7 → [?] → 6, what is the rule? =
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