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caoxuantuy
2 năm trước
Vẽ hình + Giải chi tiết tất tần tật được 50đ nha Cho tam giác ABC, kẻ cao AD, BK cắt nhau tại H. a) Chứng minh tam giác ADC ~ tam giác BKC . b) Trên tia đối của tia DA xác định điểm M sao cho DH = DM. Chứng minh tam giác MBH cân. c) Chứng minh góc CAM = góc CBM
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