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and1004
2 năm trước
Cho tam giác ABC vuông tại A có AB=15 cm, AC= 20 cm, phân giác BD cắt đường cao AH tại K a, So sánh BH.BD với BK.BA b, Gọi M là trung điểm của KD. Kẻ tia Bx sog sog vs tia AM, tia Bx cắt AH tại J GIÚP EM VS Ạ
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