function-machine/subtraction/medium · セット 100
8 problems
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1
Input: 4 → [?] → 3, what is the rule?
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2
? → [×5] → 20
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3
Input: 1 → [+5] → ?
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4
Input: 8 → [+4 ×2] → ?
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5
? → [×2] → 8
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6
? → [×3 - 2] → 16
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7
Input: 6 → [×2] → ?
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8
Input: 8 → [?] → 19, what is the rule?
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