function-machine/subtraction/hard · Set 77

7 problems
1
Input: 6 → [?] → 8, what is the rule? =
2
Input: 5 → [?] → 10, what is the rule? =
3
? → [×3 - 2] → 13 =
4
Input: 9 → [?] → 21, what is the rule? =
5
Input: 4 → [×3 - 2] → ? =
6
Input: 8 → [?] → 16, what is the rule? =
7
Input: 4 → [?] → 16, what is the rule? =
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