function-machine/multiplication/starter · 套题 64

8 problems
1
Input: 2 → [?] → 1, what is the rule? =
2
Input: 4 → [×5] → ? =
3
Input: 7 → [?] → 9, what is the rule? =
4
? → [+10] → 12 =
5
Input: 8 → [?] → 7, what is the rule? =
6
Input: 9 → [×2] → ? =
7
? → [-3] → 3 =
8
? → [+2] → 8 =
Easy Math Print · easymathprint.com