function-machine/mixed-medium · セット 69

8 problems
1
Input: 10 → [?] → 21, what is the rule? =
2
Input: 6 → [-3] → ? =
3
? → [+2] → 8 =
4
? → [×2] → 14 =
5
Input: 9 → [?] → 18, what is the rule? =
6
? → [+10] → 15 =
7
Input: 1 → [?] → 10, what is the rule? =
8
Input: 10 → [+5] → ? =
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