function-machine/division/expert · Set 21

8 problems
1
Input: 6 → [?] → 18, what is the rule? =
2
Input: 9 → [×2 + 1] → ? =
3
? → [+10] → 13 =
4
Input: 2 → [+4 ×2] → ? =
5
Input: 1 → [?] → 5, what is the rule? =
6
? → [×2 + 3] → 15 =
7
Input: 5 → [×5] → ? =
8
Input: 4 → [?] → 6, what is the rule? =
Easy Math Print · easymathprint.com