Mixed Medium · Set 79

8 problems
1
Input: 10 → [×2] → ? =
2
? → [+4 ×2] → 20 =
3
? → [×2 + 1] → 13 =
4
Input: 4 → [×2] → ? =
5
Input: 8 → [?] → 22, what is the rule? =
6
? → [×5] → 15 =
7
Input: 2 → [×5] → ? =
8
Input: 5 → [?] → 7, what is the rule? =
Easy Math Print · easymathprint.com