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Mathematics, 14.06.2021 14:00 Gimagg8195
Tìm tọa độ của vecto u=(3;x;y) tromg cơ sở {(0;1;-1), (1;2;-2); (2;-1;2)}
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Tìm tọa độ của vecto u=(3;x;y) tromg cơ sở {(0;1;-1), (1;2;-2); (2;-1;2)}...
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