function-machine/subtraction/medium · セット 46
8 problems
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1
Input: 6 → [?] → 16, what is the rule?
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2
Input: 1 → [?] → 3, what is the rule?
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3
Input: 4 → [-3] → ?
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4
Input: 8 → [?] → 5, what is the rule?
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5
Input: 2 → [×2 + 1] → ?
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6
Input: 7 → [×3] → ?
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7
Input: 7 → [?] → 14, what is the rule?
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8
? → [×2 + 1] → 7
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