function-machine/subtraction/hard · Sada 81

8 problems
1
Input: 2 → [?] → 4, what is the rule? =
2
? → [+5] → 11 =
3
? → [-3] → 1 =
4
? → [-3] → 7 =
5
Input: 9 → [?] → 21, what is the rule? =
6
Input: 7 → [?] → 35, what is the rule? =
7
Input: 8 → [×3] → ? =
8
Input: 10 → [?] → 15, what is the rule? =
Easy Math Print · easymathprint.com