function-machine/subtraction-easy · セット 52
8 problems
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日付：
1
Input: 4 → [+2] → ?
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2
Input: 8 → [+10] → ?
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3
Input: 7 → [?] → 4, what is the rule?
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4
? → [×3] → 12
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5
Input: 10 → [?] → 15, what is the rule?
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6
Input: 9 → [×5] → ?
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7
Input: 4 → [×3] → ?
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8
Input: 2 → [?] → 6, what is the rule?
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