function-machine/subtraction/hard · Sæt 60

8 problems
1
? → [+4 ×2] → 12 =
2
? → [×2] → 2 =
3
Input: 5 → [×2] → ? =
4
Input: 2 → [?] → 4, what is the rule? =
5
Input: 3 → [?] → 2, what is the rule? =
6
? → [×2 + 1] → 21 =
7
Input: 2 → [+5] → ? =
8
Input: 9 → [×2 + 3] → ? =
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