function-machine/division/hard · 세트 50

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