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Popular Examples
20 choose 3
|
20C3
|
6 choose 5
|
6C5
|
std 50,62.5,37.5,75,45,47.5,15,25
|
std\:50,62.5,37.5,75,45,47.5,15,25
|
3 choose 1
|
3C1
|
4nCr2
|
4nCr2
|