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Diem2510
2 năm trước
trên cùng một nửa mặt phẳng bờ chứa tia ox vẽ hai tia oy và oz sao cho xoy = 40 độ xoz 80 độ a tia oy có nằm giữa hai tia õ và oz ko vì sao so sánh xoy và yoz tia oy có là tia phân giác của góc xoz ko vì sao vẽ góc kề bù vs xoy tính góc yot
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