Kostenloser Permutationsrechner
Berechne die Anzahl der Permutationen (Anordnungen) aus n Elementen mit k ausgewählten Elementen.
Permutations
720
N Factorial3,628,800
N Minus R Factorial5,040
Formel
How to Calculate Permutations
Formula
P(n, r) = n! / (n - r)!
Where:
Permutations count arrangements where order matters.
Lösungsbeispiel
How many ways can you arrange 3 items from a set of 10? (Order matters)
- 01P(10, 3) = 10! / (10-3)!
- 02= 10! / 7!
- 03= 10 × 9 × 8
- 04= 720
Häufig Gestellte Fragen
What is a permutation?
A permutation is an arrangement of objects where the order matters. For example, the arrangements ABC and BAC are different permutations.
What is the difference between permutation and combination?
Permutations count arrangements where order matters (ABC ≠ BAC). Combinations count selections where order does not matter (ABC = BAC).
Lernen