function-machine/subtraction/medium · セット 87
8 problems
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1
Input: 9 → [?] → 19, what is the rule?
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2
? → [×3 - 2] → 19
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3
Input: 9 → [?] → 21, what is the rule?
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4
Input: 5 → [×5] → ?
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5
? → [×2 + 1] → 11
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6
Input: 2 → [?] → 7, what is the rule?
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7
Input: 6 → [-1] → ?
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8
Input: 10 → [?] → 30, what is the rule?
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