function-machine/mixed-ops/medium · 套题 99
8 problems
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1
Input: 9 → [?] → 19, what is the rule?
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2
? → [×3] → 18
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3
? → [-3] → 4
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4
Input: 6 → [?] → 13, what is the rule?
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5
? → [×3 - 2] → 4
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6
Input: 9 → [×3 - 2] → ?
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7
Input: 6 → [×2 + 3] → ?
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8
Input: 7 → [?] → 4, what is the rule?
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