function-machine/division/hard · Série 90

7 problems
1
Input: 6 → [?] → 18, what is the rule? =
2
Input: 5 → [?] → 13, what is the rule? =
3
Input: 8 → [+10] → ? =
4
Input: 9 → [?] → 19, what is the rule? =
5
Input: 9 → [+5] → ? =
6
Input: 4 → [-3] → ? =
7
? → [×3] → 6 =
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