Questão 924442

\(\binom{4}{3}\binom{12}{7}+\binom{4}{2}\binom{12}{8}+\binom{4}{1}\binom{12}{9}+\binom{4}{0}\binom{12}{10}\)

\(\binom{4}{3}3!\binom{12}{7}7!+\binom{4}{2}2!\binom{12}{8}8!+\binom{4}{1}\binom{12}{9}9!\binom{4}{0}\binom{3}{0}\binom{12}{10}10!\)

\(\binom{4}{3}\binom{3}{3}3!\binom{12}{7}7!+\binom{4}{2}\binom{3}{2}2!\binom{12}{8}8!+\binom{4}{1}\binom{3}{1}\binom{12}{9}9!+\binom{4}{0}\binom{3}{0}\binom{12}{10}10!\)

\(\binom{4}{3}3!\binom{12}{7}7\)