Medium · Set 23

8 problems
1
Input: 3 → [-3] → ? =
2
Input: 4 → [×2 + 3] → ? =
3
Input: 10 → [×3 - 2] → ? =
4
Input: 10 → [?] → 28, what is the rule? =
5
? → [+4 ×2] → 24 =
6
? → [×2] → 12 =
7
? → [+5] → 8 =
8
? → [+4 ×2] → 20 =
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