function-machine/addition/medium · مجموعة 60

8 problems
1
Input: 6 → [?] → 8, what is the rule? =
2
Input: 5 → [+4 ×2] → ? =
3
Input: 3 → [?] → 7, what is the rule? =
4
Input: 5 → [?] → 15, what is the rule? =
5
? → [+10] → 17 =
6
Input: 9 → [?] → 25, what is the rule? =
7
? → [+10] → 13 =
8
Input: 10 → [-3] → ? =
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