function-machine/mixed-ops/starter · Set 47

8 problems
1
? → [+5] → 15 =
2
Input: 3 → [?] → 6, what is the rule? =
3
Input: 7 → [?] → 21, what is the rule? =
4
Input: 2 → [?] → 4, what is the rule? =
5
Input: 9 → [+5] → ? =
6
? → [×3] → 30 =
7
Input: 5 → [?] → 15, what is the rule? =
8
Input: 9 → [+2] → ? =
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