Combinations of different cards (distinguishable objects)

Given n different objects (from 1 to 6), if rr objects are selected to form a combination, how many different combination can be formed? This applet illustrates shows the number of combinations and shows how the combinations can be formed.

 

mcdull

 
Resource Type
Activity
Tags
combinations  combinatorics 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
 
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