function-machine/multiplication/starter · Conjunto 57

8 problems
1
Input: 8 → [?] → 16, what is the rule? =
2
Input: 4 → [?] → 20, what is the rule? =
3
Input: 7 → [?] → 12, what is the rule? =
4
Input: 4 → [×5] → ? =
5
Input: 5 → [?] → 4, what is the rule? =
6
? → [×5] → 10 =
7
Input: 4 → [×3] → ? =
8
? → [-1] → 8 =
Easy Math Print · easymathprint.com