function-machine/subtraction/hard · Sæt 20

8 problems
1
Input: 2 → [?] → 5, what is the rule? =
2
Input: 2 → [-1] → ? =
3
? → [×5] → 40 =
4
Input: 8 → [×3] → ? =
5
Input: 3 → [+5] → ? =
6
? → [×5] → 45 =
7
? → [×5] → 25 =
8
Input: 7 → [×2] → ? =
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