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Mathematics, 16.09.2021 14:00 zitterkoph

Trong mặt phẳng Oxy cho 2 điểm A(2;-4), B(1;0) phép tịnh tiếp vecto OA biến điểm B thành B' , khi đó B' có tọa độ

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Trong mặt phẳng Oxy cho 2 điểm A(2;-4), B(1;0) phép tịnh tiếp vecto OA biến điểm B thành B' , khi đó...
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