function-machine/division/hard · Sada 84

8 problems
1
? → [×2 + 1] → 21 =
2
? → [+5] → 10 =
3
Input: 10 → [+5] → ? =
4
Input: 3 → [×3] → ? =
5
Input: 4 → [?] → 20, what is the rule? =
6
Input: 6 → [?] → 20, what is the rule? =
7
? → [×3] → 15 =
8
Input: 1 → [?] → 3, what is the rule? =
Easy Math Print · easymathprint.com