function-machine/subtraction/medium · सेट 73

8 problems
1
Input: 1 → [?] → 1, what is the rule? =
2
Input: 8 → [×2 + 1] → ? =
3
Input: 4 → [×5] → ? =
4
? → [+5] → 9 =
5
? → [+5] → 12 =
6
Input: 10 → [?] → 21, what is the rule? =
7
Input: 8 → [+4 ×2] → ? =
8
Input: 5 → [+5] → ? =
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