function-machine/division/starter · Série 91

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