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Mathematics, 28.07.2021 01:40 Ndkeie5286

Làm thế nào để tìm được nghiệm trong phương trình sau: 8.X^2-54.x-392=0

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Làm thế nào để tìm được nghiệm trong phương trình sau: 8.X^2-54.x-392=0...
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