function-machine/subtraction/expert · مجموعة 49

8 problems
1
Input: 4 → [?] → 8, what is the rule? =
2
Input: 8 → [-1] → ? =
3
Input: 5 → [×3 - 2] → ? =
4
Input: 10 → [×2] → ? =
5
? → [-3] → 5 =
6
Input: 2 → [-1] → ? =
7
Input: 6 → [?] → 15, what is the rule? =
8
Input: 3 → [?] → 9, what is the rule? =
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