function-machine/subtraction/starter · Set 39

8 problems
1
Input: 10 → [-1] → ? =
2
Input: 7 → [?] → 9, what is the rule? =
3
Input: 6 → [+5] → ? =
4
Input: 3 → [?] → 13, what is the rule? =
5
Input: 9 → [×2] → ? =
6
? → [+10] → 15 =
7
Input: 3 → [×5] → ? =
8
Input: 6 → [-3] → ? =
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