Exercise 1 1
Exercise 2 3
Exercise 3 5
Exercise 4 9
Exercise 5 13
Exercise 6 15
Exercise 7 17
Exercise 8 18
Exercise 9 20
Exercise 10 21
Exercise 11 23
Exercise 12 25
Exercise 13 26
Exercise 14 31
Exercise 15 ,16,17 34
Exercise 18 39
Exercise 19 40
Exercise 20 43
Exercise 21 46
Exercise 22 47
Exercise 23 ,24 54
Exercise 25 56
Exercise 26 58
Exercise 27 61
Exercise 28 62
Exercise 29 63
Exercise 30 65
Exercise 31 68
Exercise 32 70
Exercise 33 71
Exercise 34 82
Exercise 35 83
Exercise 36 86
Exercise 37 89
Exercise 38 92
Exercise 39 94
Exercise 40 100
Exercise 41 105
Exercise 42 106
Exercise 43 108
Exercise 44 110
Exercise 45 112
Exercise 46 114
Exercise 47 115
Exercise 48 117
Exercise 49 118
Exercise 50 120
Exercise 51 121
Exercise 52 122
Exercise 53 ,54 123
Exercise 55 124
Exercise 56 125
Exercise 57 128
Exercise 58 129
Exercise 59 130
Exercise 60 131
Exercise 61 132
Exercise 62 133
Exercise 63 137
Exercise 64 138
Exercise 65 139
Exercise 66 142
Exercise 67 144
Exercise 68 145
Exercise 69 148
Exercise 70 151