CHAPTER 4  (CLICK HERE FOR REAL EXAM6)
CHAPTER 4  (CLICK HERE FOR REAL EXAM7)
section example

exercises:  DO ODD NUMBERS AFTER READING EXAMPLES.
4.1
1

1; 3, 5
2 7; 5,7, 9
3 19; 17, 19, 21 
4 23; 21, 23, 25
5 29; 27, 29, 31
6 41, 43; 39, 41, 43, 45
7 47(c), 49(c); 45, 47, 49, 51
8 63, 65, 67; 61, 63, 65, 67
4.2
1

1(a), (e); 3, 
2 3(a), (f) ; 1, 3, 5
3 5; 3, 5, 7
4 9,13 ; 7, 9, 11, 13, 15
5 17; 15, 17, 19
6 25, 35;23, 25, 27, 33, 35, 37 
7 53, 57;51, 53, 55, 57
4.3
1

1;3
2 5;3, 5, 7
3

9;7, 9, 11
4 11;9, 11, 13
5 15, 19; 13, 15, 17, 19, 21
6 21; 19, 21, 23
7 53;51, 53, 55 
4.4
1 11, 23 ; 9, 11, 13, 21, 23, 25
2 1(a), (b) ; 3
3 3(a) ; 1, 5
4 15, 17; 13, 15, 17, 19
5 19, 21; 17, 19, 21, 23
4.5
1

3; 1, 3, 5 
2 5, 11; 3, 5, 7, 9, 11, 13
3 15, 21; 13, 15, 17, 19, 21, 23
4

23(c); 21, 23, 25
5 25; 23, 25, 27
6 27; 25, 27, 29
7 29, 31 ; 27, 29, 31, 33
8 43; 41, 43, 45
4.6
1

5, 15 ;3, 5, 7, 13, 15, 17
2 29 ; 27, 29, 31
3

47 ; 45, 47, 49
4.7
1

1, 9 ; 1, 3, 7, 9, 11
2

11; 9, 11, 13
3 29; 27, 29, 31
4.8
1

5; 3, 5, 7,
2 11; 9, 11, 13
3

21; 19, 21, 23
4

25; 23, 25, 27