(a) Apˆendice A: 6, 11, 12, 23, 24, 25, 28, 29, 32, 35, 36, 41, 45, 46, 49, 52, 56, 62, 63. (b) Apˆendice B: 10, 11, 20, 24, 26, 34, 54, 58, 60. (c) Se¸c˜ao 1.1: 4, 25, 32, 34, 35, 36, 38, 45, 46, 47, 48, 50, 64 , 72, 75, 76. (d) Se¸c˜ao 1.2: 3, 4, 10, 18. (e) Se¸c˜ao 1.3: 4, 5, 6, 7, 13, 16, 19, 20, 23, 31, 33, 35, 61. (f) Se¸c˜ao 1.5: 11, 14, 16, 17, 19, 20. (g) Se¸c˜ao 1.6: 15, 18-a-b-c, 24, 26, 35, 36, 38, 48, 52, 55, 65, 67, 68. (h) Se¸c˜ao 2.2: 7, 8, 11, 12, 16, 18, 30, 32, 35, 36. (i) Se¸c˜ao 2.3: 2, 5, 7, 8, 9, 10, 12, 16, 18, 22, 27, 30, 37, 38, 39, 40, 41, 42, 44, 49, 51, 62, 63. (j) Se¸c˜ao 2.4: 3, 20, 24, 26, 29, 30. (k) Se¸c˜ao 2.5: 9, 18, 20, 22, 44, 45, 46, 52, 63, 67. (l) Se¸c˜ao 2.6: 6, 14, 20, 24, 25, 26, 34, 36, 42, 44, 61.