function-machine/division/medium · セット 84
8 problems
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日付：
1
Input: 7 → [?] → 35, what is the rule?
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2
Input: 7 → [+2] → ?
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3
? → [×2 + 3] → 9
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4
Input: 1 → [?] → 5, what is the rule?
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5
Input: 9 → [×2] → ?
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6
Input: 5 → [+5] → ?
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7
? → [+2] → 9
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8
Input: 9 → [?] → 19, what is the rule?
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