20 人から3 人を選んでグループを作る方法の数

20 人から3 人を選んでグループを作る方法の数

Kết quả (Anh) 1:

Number of ways to choose 3 out of 20 people to form a group

Kết quả (Anh) 2:

The number of ways to choose a group from 20 to 3

Kết quả (Anh) 3:

Number of ways to create a group of 20 to 3 people