function-machine/mixed-ops/medium · Set 62

8 problems
1
Input: 4 → [?] → 20, what is the rule? =
2
Input: 4 → [-3] → ? =
3
? → [×2] → 2 =
4
Input: 7 → [?] → 12, what is the rule? =
5
Input: 3 → [+10] → ? =
6
Input: 5 → [+5] → ? =
7
Input: 6 → [?] → 30, what is the rule? =
8
Input: 2 → [×3] → ? =
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