function-machine/mixed-ops/easy · Série 21

7 problems
1
Input: 7 → [?] → 21, what is the rule? =
2
? → [×3] → 30 =
3
Input: 10 → [×5] → ? =
4
Input: 8 → [×3] → ? =
5
Input: 9 → [+5] → ? =
6
? → [+10] → 19 =
7
Input: 7 → [-3] → ? =
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