function-machine/subtraction/medium · Set 51

8 problems
1
Input: 1 → [×2] → ? =
2
Input: 3 → [+10] → ? =
3
Input: 4 → [?] → 12, what is the rule? =
4
Input: 4 → [×5] → ? =
5
? → [×3 - 2] → 10 =
6
Input: 10 → [+5] → ? =
7
? → [-1] → 2 =
8
Input: 6 → [×3] → ? =
Easy Math Print · easymathprint.com