z.1
1 sześciokąt
6 pięciokątow
15 czworokątów
20 trójkątów
-------------------
Razem: 42 wielokąty.
{ 6! / 5 !] = 6
[ 6 !/(2! * 4!] = [5*6]/2 = 5*3 = 15
[ 6! /(3! * 3!)] = [4*5*6]/[1*2*3] = 4*5 = 20
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z.2
n = 10
L - liczba meczy
L =[ n*(n -1) ]/2 = [10*9]/2 = 90/2 = 45
Odp. 45 meczy.
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z.1
1 sześciokąt
6 pięciokątow
15 czworokątów
20 trójkątów
-------------------
Razem: 42 wielokąty.
{ 6! / 5 !] = 6
[ 6 !/(2! * 4!] = [5*6]/2 = 5*3 = 15
[ 6! /(3! * 3!)] = [4*5*6]/[1*2*3] = 4*5 = 20
=================================================
z.2
n = 10
L - liczba meczy
L =[ n*(n -1) ]/2 = [10*9]/2 = 90/2 = 45
Odp. 45 meczy.
====================================================