function-machine/subtraction/medium · セット 99
7 problems
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1
Input: 2 → [?] → 4, what is the rule?
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2
Input: 6 → [-3] → ?
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3
? → [+5] → 7
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4
Input: 5 → [×2 + 1] → ?
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5
Input: 6 → [?] → 5, what is the rule?
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6
Input: 8 → [+2] → ?
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7
Input: 10 → [?] → 28, what is the rule?
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