function-machine/mixed-ops/hard · Set 40

7 problems
1
? → [-3] → 4 =
2
? → [+5] → 10 =
3
? → [×2] → 2 =
4
Input: 1 → [+2] → ? =
5
Input: 4 → [?] → 20, what is the rule? =
6
Input: 7 → [?] → 6, what is the rule? =
7
? → [×2 + 3] → 13 =
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