Exercise 1
Exercise 1 1
Exercise 2 5
Exercise 3 8
Exercise 4 11
Exercise 5 14
Exercise 6 16
Exercise 7 19
Exercise 8 22
Exercise 9 25
Exercise 10 28
Exercise 11 31
Exercise 12 34
Exercise 13 37
Exercise 14 40
Exercise 15 44
Exercise 16 47
Exercise 17 50
Exercise 18 52
Exercise 19 55
Exercise 20 58
Exercise 21 61
Exercise 22 65
Exercise 23 67
Exercise 24 69
Exercise 25 71
Exercise 26 75
Exercise 27 79
Exercise 28 82
Exercise 29 84
Exercise 30 86
Exercise 31 89
Exercise 32 93
Exercise 33 96
Exercise 34 99
Exercise 35 101
Exercise 36 104
Exercise 37 106
Exercise 38 109
Exercise 39 112
Exercise 40 115
Exercise 41 117
Exercise 42 119
Exercise 43 122
Exercise 44 125
Exercise 45 128
Exercise 46 131
Exercise 47 133
Exercise 48 136
Exercise 49 138
Exercise 50 141
Answer Keys 143