function-machine/addition/medium · Set 42

8 problems
1
Input: 7 → [×2] → ? =
2
Input: 5 → [?] → 10, what is the rule? =
3
Input: 5 → [?] → 13, what is the rule? =
4
Input: 1 → [×2 + 1] → ? =
5
? → [×3] → 6 =
6
Input: 9 → [×2 + 3] → ? =
7
Input: 2 → [+5] → ? =
8
Input: 8 → [+2] → ? =
Easy Math Print · easymathprint.com