function-machine/subtraction/starter · Sada 63

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