function-machine/subtraction/medium · 套题 97
7 problems
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1
Input: 8 → [×2 + 1] → ?
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2
Input: 5 → [×3] → ?
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3
? → [+4 ×2] → 14
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4
? → [-1] → 4
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5
Input: 4 → [×3] → ?
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6
Input: 9 → [?] → 18, what is the rule?
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7
Input: 3 → [×5] → ?
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