Need help with counting
Write the following expression as a single combination C(n,k) so that k neq 1 and n - k neq 1
C(44,5) + C(48,7)
C(20,1) + C(20,2)
C(19,3) + C(19,4)
C(100,78) + C(100,77) + C(100,76)
C(38,5) + C(38,32)
C(4,1) + C(5,2)
C(12,5) + C(12,6)
C(18,18) + C(18,17)
