function-machine/subtraction/hard · Sada 65

8 problems
1
? → [×2 + 3] → 11 =
2
Input: 2 → [-1] → ? =
3
Input: 7 → [?] → 9, what is the rule? =
4
Input: 8 → [+2] → ? =
5
Input: 2 → [?] → 4, what is the rule? =
6
Input: 8 → [?] → 10, what is the rule? =
7
Input: 7 → [?] → 17, what is the rule? =
8
Input: 9 → [+10] → ? =
Easy Math Print · easymathprint.com