Mixed Medium · Set 57

8 problems
1
? → [-3] → 2 =
2
Input: 4 → [×2 + 1] → ? =
3
Input: 8 → [×3] → ? =
4
Input: 1 → [?] → 6, what is the rule? =
5
? → [-3] → 6 =
6
? → [-1] → 0 =
7
? → [×3] → 12 =
8
Input: 7 → [-1] → ? =
Easy Math Print · easymathprint.com