function-machine/subtraction/starter · Set 19

8 problems
1
Input: 3 → [?] → 8, what is the rule? =
2
Input: 10 → [-3] → ? =
3
? → [×2] → 12 =
4
Input: 5 → [?] → 4, what is the rule? =
5
? → [×5] → 10 =
6
Input: 9 → [?] → 6, what is the rule? =
7
Input: 7 → [+10] → ? =
8
Input: 1 → [?] → 2, what is the rule? =
Easy Math Print · easymathprint.com