function-machine/division/expert · Sada 52

8 problems
1
Input: 1 → [?] → 5, what is the rule? =
2
Input: 4 → [?] → 8, what is the rule? =
3
Input: 9 → [+4 ×2] → ? =
4
? → [-1] → 7 =
5
Input: 6 → [×2 + 3] → ? =
6
Input: 6 → [?] → 15, what is the rule? =
7
Input: 9 → [?] → 21, what is the rule? =
8
? → [+4 ×2] → 16 =
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