Question

сочетание.найди значение С5/16​

Answer 1

$C_{16} ^{5} =\dfrac{16!}{5!\cdot(16-5)!} =\dfrac{16!}{5!\cdot11!} =\dfrac{11!\cdot12\cdot13\cdot14\cdot15\cdot16}{1\cdot2\cdot3\cdot4\cdot5\cdot11!} =\\\\\\=13\cdot7\cdot3\cdot16=\boxed{4368}$