function-machine/mixed-ops/medium · 套题 65

8 problems
1
? → [×5] → 15 =
2
Input: 9 → [?] → 21, what is the rule? =
3
? → [×2 + 1] → 11 =
4
? → [×3] → 9 =
5
Input: 5 → [-3] → ? =
6
Input: 5 → [×3] → ? =
7
Input: 10 → [×3] → ? =
8
Input: 7 → [+5] → ? =
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