function-machine/subtraction/hard · Sada 72

8 problems
1
Input: 8 → [+2] → ? =
2
? → [×5] → 40 =
3
Input: 10 → [?] → 9, what is the rule? =
4
Input: 7 → [×2 + 3] → ? =
5
? → [+5] → 15 =
6
Input: 6 → [+4 ×2] → ? =
7
Input: 6 → [?] → 12, what is the rule? =
8
Input: 5 → [?] → 10, what is the rule? =
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