Discrete Mathematics Exercises

 
Epp Fourth Edition
1-1 2-1 3-1 4-1 5-1 6-1 9-1
1-2 2-2 3-2 4-2 5-2 6-2 9-2
1-3 2-3 3-3 4-3 5-3 6-3 9-3
  2-4 3-4 4-4 5-4 6-4 9-4
  2-5   4-5 5-5   9-5
      4-6 5-6   9-6
      4-7 5-7   9-7
      4-8 5-8   9-8
        5-9   9-9