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Thanhnhan22x
2 năm trước
a, Hai cạnh tam giác dài 25cm và 36cm . Tổng độ dài hai đường cao là 48,8cm .Tính độ dài của hai đường cao đó b, Nếu cộng lần lượt độ dài từng hai đường cao của tam giác thỡ tỉ lệ các kết quả là 5,7,8 tính tỉ lệ ba cạnh của tam giác đó
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