function-machine/multiplication/hard · Set 31

8 problems
1
? → [-3] → 6 =
2
Input: 8 → [?] → 16, what is the rule? =
3
Input: 10 → [?] → 23, what is the rule? =
4
? → [-3] → 5 =
5
Input: 3 → [?] → 7, what is the rule? =
6
? → [×2 + 3] → 7 =
7
Input: 7 → [?] → 12, what is the rule? =
8
Input: 6 → [?] → 11, what is the rule? =
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