September 2018 1 12 Report

Pilne ! błagam pomocy

Elementy kombinatoryki

Oblicz:

a) 4!

b)5!/2! 3!

c)3!/0!

d)11!/9!

e) (n+1)!/n!

f) n!/(n-2)!·(n-1)·1/n

g)6!/4!·5 : 4!/7

h) 8!/4!·3!: 6!/3!·2!

i)(n+2)!/(n+1)! - (n+1)! /n!


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