Kostenloser Kombinationsrechner

Berechne die Anzahl der Kombinationen (Auswahlen) aus n Elementen mit k ausgewählten Elementen.

Combinations

120

Permutations720

Formel

## How to Calculate Combinations ### Formula **C(n, r) = n! / (r! × (n - r)!)** Where: - **n** = total number of items - **r** = number of items being chosen Combinations count selections where **order does not matter**.

Lösungsbeispiel

How many ways can you choose 3 items from a set of 10? (Order does not matter)

  1. 01C(10, 3) = 10! / (3! × 7!)
  2. 02= 3,628,800 / (6 × 5,040)
  3. 03= 3,628,800 / 30,240
  4. 04= 120

Häufig Gestellte Fragen

What is a combination?

A combination is a selection of objects where the order does not matter. Choosing {A, B, C} is the same as choosing {C, B, A}.

Where are combinations used?

Combinations are used in lottery calculations, committee selections, card hands (e.g., poker), and any scenario where you select items without regard to order.

Lernen

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