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minanh256345
2 năm trước
Cho tam giác ABC vuông tại A, có AB=5cm,BC=13cm.Kẻ AH vuông góc với BC tại H.Tính độ dài các đoạn thẳng:AC,AH,BH,CH Làm hết nha,Vẽ hình nữa.cấm lấy trên mạng
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