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ducyoud4
2 năm trước
Bài 2: Đúng ghi Đ, sai ghi S 1, Hai đơn thức đồng dạng là hai đơn thức có cùng phần biến 2, Tam giác cân có một góc bằng thì có đường trung tuyến đồng thời là đường trung trực, đường phân giác, đường cao 3, Giao của ba đường trung tuyến trong tam giác thì cách đều 3 cạnh của tam giác đó 4, Giá trị biểu thức tại x = -1, y = -3 là - 24
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