function-machine/subtraction/medium · 套题 83
7 problems
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1
? → [×2 + 3] → 15
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2
Input: 9 → [?] → 25, what is the rule?
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3
Input: 10 → [+10] → ?
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4
? → [×5] → 25
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5
? → [×3] → 30
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6
Input: 6 → [+2] → ?
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7
? → [×2 + 3] → 21
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