function-machine/division/starter · Série 69

8 problems
1
Input: 6 → [?] → 12, what is the rule? =
2
Input: 6 → [-1] → ? =
3
? → [×5] → 50 =
4
Input: 5 → [?] → 15, what is the rule? =
5
Input: 9 → [×3] → ? =
6
Input: 10 → [?] → 20, what is the rule? =
7
Input: 2 → [?] → 4, what is the rule? =
8
? → [+10] → 18 =
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