Hard · Set 76

8 problems
1
Input: 8 → [×5] → ? =
2
Input: 4 → [?] → 16, what is the rule? =
3
Input: 4 → [×2 + 1] → ? =
4
Input: 2 → [?] → 10, what is the rule? =
5
Input: 7 → [+2] → ? =
6
Input: 4 → [?] → 9, what is the rule? =
7
Input: 2 → [×3 - 2] → ? =
8
Input: 1 → [?] → 1, what is the rule? =
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