function-machine/division/easy · セット 49

8 problems
1
Input: 7 → [?] → 9, what is the rule? =
2
Input: 7 → [?] → 4, what is the rule? =
3
Input: 4 → [?] → 12, what is the rule? =
4
? → [×2] → 4 =
5
Input: 9 → [?] → 6, what is the rule? =
6
Input: 8 → [×5] → ? =
7
Input: 9 → [×5] → ? =
8
Input: 2 → [×3] → ? =
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