function-machine/addition/hard · セット 49
8 problems
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1
Input: 3 → [×3 - 2] → ?
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2
Input: 6 → [?] → 11, what is the rule?
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3
Input: 6 → [?] → 5, what is the rule?
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4
? → [×2] → 8
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5
Input: 9 → [?] → 19, what is the rule?
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6
? → [-1] → 5
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7
? → [+5] → 13
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8
Input: 2 → [×2 + 1] → ?
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