Đồ thị G vô hướng nào trong các đồ thị sau là tồn tại nếu các đỉnh có số bậc lần lượt là:

A. T ={(2,5)(2,6)(2,3)(6,2)(4,1)(5,4)}

B. T ={(5,3)(3,7)(2,3)(6,2)(4,1)(7,4)}

C. T ={(5,1)(3,5)(2,3)(6,2)(4,1)(7,4)}

D. T ={(4,7)(3,5)(2,3)(6,2)(4,1)(3,6)}

A. T = { (1,2), (1, 4), (2, 3), (2, 6), (6,3), (6, 7) } B)

B. T = { (1,2), (1, 4), (1, 3), (2, 6), (4,5), (6, 7) }

C. T = { (1,2), (1, 4), (2, 4), (2, 6), (4,5), (6, 7) }

D. T = { (1,2), (1, 4), (2, 3), (4,5) ,(2, 6), (6, 7) }

A. 1, 2, 4, 7, 3, 6, 8, 5, 9, 10

B. 1, 7, 6, 3, 9, 8, 5, 10, 4, 2

C. 1, 2, 6, 4, 5, 10, 9, 8, 3, 7

D. 1, 2, 4, 7, 8, 9, 5, 10, 3, 6

A. 3, 3, 4, 6, 4

B. 3, 4, 6, 4, 4

C. 3, 4, 6, 4, 5

D. 3, 4, 5, 4, 4

A. 1, 2, 7, 4, 5, 10, 3, 6, 9, 8

B. 1, 2, 3, 6, 9, 4, 5, 10, 8, 7

C. 1, 2, 3, 4, 5, 10, 6, 9, 7, 8

D. 1, 2, 7, 8, 3, 6, 9, 5, 10, 4

A. K, B, D, F, H, A, C, E, G, I

B. K, B, A, C, D, F, E, G, H, I

C. K, B, F, H, A, C, D, E, G, I

D. K, E, F, G, H, A, B, C, D, I