Division has 18 members: 10 girls and 6 boys, 2 leaders. How many different patrols can be created, if one patrol is 2 boys, 3 girls and 1 leader?

Correct result:

n =  600


n=((6 5/2) (10 9 8/6) 2)/6=600n=((6 \cdot \ 5/2) \cdot \ (10 \cdot \ 9 \cdot \ 8/6) \cdot \ 2)/6=600

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