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