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huyen1821
2 năm trước
Trên tia Ox vẽ các điểm A,B,C,D theo tứ tự đó sao cho AB - OA = 3, AB =BC, 4OA = 3AB, 5AB = 6CD. Tính đọo dài các đoạn thẳng OA? AB?BC?CD? Vẽ hình nữa ạ Em cảm ơn 🙏🙏🙏
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