function-machine/multiplication/starter · セット 61

7 problems
1
Input: 3 → [?] → 15, what is the rule? =
2
Input: 6 → [-3] → ? =
3
Input: 3 → [?] → 8, what is the rule? =
4
Input: 6 → [?] → 5, what is the rule? =
5
Input: 6 → [?] → 12, what is the rule? =
6
Input: 9 → [×2] → ? =
7
Input: 5 → [+5] → ? =
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