function-machine/subtraction/medium · सेट 64

8 problems
1
Input: 10 → [+4 ×2] → ? =
2
Input: 9 → [?] → 11, what is the rule? =
3
Input: 3 → [?] → 7, what is the rule? =
4
Input: 9 → [?] → 21, what is the rule? =
5
Input: 1 → [?] → 5, what is the rule? =
6
? → [×2 + 1] → 7 =
7
? → [×3 - 2] → 28 =
8
? → [×2 + 3] → 23 =
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