Tìm a,b ∈ N sao cho a² + 37 = ║b – 45 ║ + b – 45

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Tìm a,b ∈ N sao cho a² + 37 = ║b – 45 ║ + b – 45
tim-a-b-n-sao-cho-a-37-b-45-b-45

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Nem 1 year 2020-11-04T10:17:59+00:00 0 Answers 23 views 0

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )