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hienotnguyen
2 năm trước
Câu nào đúng câu nào sai A.Góc bẹt là góc có hai cạnh là hai tia đối nhau B.Tia phân giác của góc xOy là tia tạo với hai cạnh Ox, Oy hai góc bằng nhau C.Góc 60° và góc 40° là hai góc phụ nhau D.Nếu tia Oy nằm giữa hai tia Ox và Oy thì góc xOy+yOz=xOz Giúp mk vs nha mk sẽ vote
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