function-machine/addition/medium · Conjunto 64

8 problems
1
Input: 4 → [×5] → ? =
2
Input: 8 → [?] → 19, what is the rule? =
3
Input: 9 → [?] → 11, what is the rule? =
4
? → [×2] → 18 =
5
? → [×3] → 21 =
6
Input: 5 → [×2 + 3] → ? =
7
Input: 10 → [×2] → ? =
8
Input: 3 → [?] → 14, what is the rule? =
Easy Math Print · easymathprint.com