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heyboy_s2
2 năm trước
Bài 3 Cho góc XOY= 150° trên tia Õ lấy điểm A rồi kẻ tia AZ. Trong góc XOY sao cho góc AOZ= 30° Vẽ tia AZ, là tia đối của tia Az a) chứng tỏ rằng zz' song song với Oy b) gọi Om và AN là các tia phân giác của góc Xoy và OAZ chứng tỏ rằng AN song song với OM Giúp mk vói ạ
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