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2 năm trước
Cho tam giác ABC vuông ở A có cạnh AB dài 24 cm, cạnh AC dài 32 cm. Điểm M nằm trên cạnh AC. Từ M kẻ đường song song với cạnh AB cắt BC tại N. Đoạn MN dài 16 cm. Tính đoạn MA.
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