9000136901 | math4u.vsb.cz

SubArea:

Level:

Project ID:

9000136901

Source Problem:

Accepted:

1

Clonable:

1

Easy:

1

The sum

(\binom{15}{8}) + (\binom{15}{9})

equals to:

(\binom{16}{9})

(\binom{15}{10})

(\binom{15}{7})

(\binom{16}{8})

(\binom{30}{17})