function-machine/multiplication/expert · Set 43

8 problems
1
Input: 9 → [-1] → ? =
2
Input: 10 → [?] → 7, what is the rule? =
3
Input: 2 → [?] → 7, what is the rule? =
4
Input: 9 → [?] → 45, what is the rule? =
5
? → [×5] → 20 =
6
Input: 6 → [?] → 16, what is the rule? =
7
Input: 4 → [×3 - 2] → ? =
8
Input: 7 → [+4 ×2] → ? =
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