function-machine/addition/hard · Set 77

8 problems
1
Input: 5 → [+2] → ? =
2
? → [×2 + 3] → 19 =
3
Input: 7 → [?] → 15, what is the rule? =
4
Input: 2 → [×2 + 1] → ? =
5
? → [-3] → 2 =
6
? → [+10] → 19 =
7
? → [×2 + 1] → 19 =
8
Input: 8 → [?] → 19, what is the rule? =
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