a) 6! = 6 × 5 × 4 × 3 × 2 × 1

6! = 720

b) 4 - 2! = 4 - (2 × 1)

4 - 2! = 2

c) 0! + 4! = 0 + (4 × 3 × 2 × 1)

0! + 4! = 24

d) 5! - 4! = (5 × 4 × 3 × 2 × 1) - (4 × 3 × 2 × 1)

5! - 4! = 120 - 24

5! - 4! = 96

e) =

=  

= 10 × 3 × 4

= 120

f) =

= 15 × 13 = 195

g) =

 =

=

h)   =

=

=