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phuongganhh
2 năm trước
Trong mặt phẳng Oxy, cho điểm M (1; -3). Tìm tọa độ điểm N là ảnh của điểm M qua phép tự vị tâm I (1; - 2) tỉ số k=2 Giúp mình với mình C.ơn nhiều ạ.
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