Assignment #1  (Finish before Feb 3, 2007)
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Section 1.1: 2, 4, 5, 7, 16, 20, 25, 27, 32, 52;        
Section 1.2: 1, 4, 10, 28, 32.         
Section 1.3: 5--10, 19, 47;        
Section 1.4: 3, 4, 25, 33;        
Section 1.5: 3, 4, 9, 23;        
Section 1.6: 1, 8, 17, 30