function-machine/division/medium · Sæt 80

8 problems
1
Input: 4 → [?] → 9, what is the rule? =
2
Input: 3 → [?] → 0, what is the rule? =
3
Input: 8 → [+10] → ? =
4
Input: 9 → [?] → 19, what is the rule? =
5
? → [+10] → 18 =
6
Input: 8 → [?] → 17, what is the rule? =
7
? → [×2 + 3] → 23 =
8
Input: 9 → [+4 ×2] → ? =
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