function-machine/multiplication/expert · Set 80

8 problems
1
Input: 9 → [×2 + 3] → ? =
2
Input: 5 → [×2 + 3] → ? =
3
? → [×2 + 1] → 15 =
4
Input: 3 → [?] → 9, what is the rule? =
5
? → [+10] → 18 =
6
Input: 2 → [?] → 10, what is the rule? =
7
Input: 1 → [?] → 1, what is the rule? =
8
Input: 3 → [?] → 15, what is the rule? =
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