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9-1 = 8 × 1,25-9 = 8 × 2,49-25 = 8 × 3,81-49 = 8 × 4 ·· these equations reflect the law of natural numbers. Let n denote the equation of natural numbers with n
9-1 = 8 × 1,25-9 = 8 × 2,49-25 = 8 × 3,81-49 = 8 × 4 ·· these equations reflect the law of natural numbers. Let n denote the equation of natural numbers with n
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