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anh751260
2 năm trước
Cho tam giác ABC, M là trung điểm của BC. Trên tia đối của tia MA lấy điểm E sao cho ME=MA. Chứng minh a) Tam giác ABM = tam giác ECM b) AB//CE Giúp mik nha Trình bày đầy đủ ra hộ mik với ạ
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