function-machine/addition-easy · セット 85

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