Mixed Medium · Set 82

8 problems
1
? → [×5] → 45 =
2
Input: 4 → [+2] → ? =
3
? → [×3 - 2] → 16 =
4
Input: 5 → [?] → 18, what is the rule? =
5
Input: 4 → [×3] → ? =
6
? → [×2 + 1] → 5 =
7
Input: 4 → [?] → 14, what is the rule? =
8
Input: 4 → [?] → 1, what is the rule? =
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