function-machine/subtraction/hard · Sada 61

8 problems
1
Input: 4 → [?] → 6, what is the rule? =
2
Input: 4 → [?] → 16, what is the rule? =
3
Input: 3 → [?] → 2, what is the rule? =
4
? → [×5] → 30 =
5
Input: 4 → [+5] → ? =
6
Input: 4 → [+10] → ? =
7
? → [×3] → 6 =
8
Input: 4 → [?] → 9, what is the rule? =
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