Question 533998

7 graph theory, 8 combinatorics and 7 set theory books


a) 7+8+7 = 22

ans: 22!

b) 1 + 8 + 7 = 16

ans : 7! * 16! 


c) 1 + 1 + 1 = 3

ans: 7! * 8! * 7! * 3!


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