function-machine/subtraction/easy · セット 82

8 problems
1
Input: 6 → [?] → 8, what is the rule? =
2
Input: 3 → [×5] → ? =
3
Input: 6 → [×2] → ? =
4
Input: 5 → [?] → 2, what is the rule? =
5
Input: 6 → [?] → 16, what is the rule? =
6
Input: 4 → [?] → 6, what is the rule? =
7
Input: 7 → [?] → 21, what is the rule? =
8
Input: 5 → [?] → 4, what is the rule? =
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