function-machine/addition/medium · 套题 57
8 problems
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1
Input: 10 → [-1] → ?
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2
Input: 7 → [+5] → ?
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3
? → [×2 + 3] → 17
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4
Input: 2 → [×3] → ?
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5
? → [-3] → 5
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6
Input: 4 → [?] → 11, what is the rule?
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7
? → [-3] → 1
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8
Input: 6 → [?] → 5, what is the rule?
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