function-machine/subtraction/hard · Set 80

7 problems
1
Input: 7 → [+2] → ? =
2
? → [×2] → 18 =
3
Input: 4 → [?] → 6, what is the rule? =
4
Input: 6 → [?] → 8, what is the rule? =
5
? → [+10] → 19 =
6
Input: 9 → [×3 - 2] → ? =
7
Input: 4 → [?] → 9, what is the rule? =
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