Question

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Answer 1

2! = 2 . 1
3! = 3 . 2 . 1 = 6
4! = 4 . 3 . 2 . 1 = 24
5! = 5 . 4 . 3 . 2 . 1 = 120
6! = 6 . 5 . 4 . 3 . 2 . 1 = 720


a) 3! + 2! = 6 + 2 = 8
b) 5! - 3! = 120 - 6 = 114
c) 5! / 3! = 120 / 6 = 20
d) 6! - 4! = 720 - 24 = 696