Section 
Problems 
1.1 
411 odd ; 1218 ; 2631 ; 36398 
1.2 
1619 
1.3 
131 
1.4 
125 
1.5 
126 
2.2 
118, 2631, 4244 
2.3 
132 even 
2.5 
150 odd 
2.8 
138 even 
3.1 
121 odd 
3.2 
121 odd 
3.3 
122 
3.4 
128 
5.3 
115 
5.6 
117 
8.1 
124 odd 
8.3 
112 
8.4 
128 odd 
9.3 
116 
9.4 
119 odd 
9.5 
117 

