function-machine/subtraction/starter · セット 75

8 problems
1
Input: 1 → [?] → 0, what is the rule? =
2
? → [+10] → 20 =
3
? → [+2] → 11 =
4
Input: 1 → [?] → 6, what is the rule? =
5
Input: 3 → [×5] → ? =
6
? → [-1] → 5 =
7
Input: 5 → [?] → 2, what is the rule? =
8
Input: 5 → [-1] → ? =
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