function-machine/addition/starter · セット 27

8 problems
1
Input: 5 → [?] → 2, what is the rule? =
2
Input: 7 → [-1] → ? =
3
Input: 1 → [×2] → ? =
4
? → [×2] → 4 =
5
? → [+5] → 7 =
6
Input: 10 → [?] → 9, what is the rule? =
7
Input: 3 → [×3] → ? =
8
Input: 8 → [-1] → ? =
Easy Math Print · easymathprint.com