find the number of ways in which 12 people can be divided into .find the number of ways in which 12 people can be divided into three groups consisting of 4,4 and 3 people with one person excluded.答案是69300

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 00:41:22
xݒN@_qe(?U!ֺI h6mubb(D 1jPf:ؕ`i@5V̜oΙ;gd,!!@@AAP(HQsQޓE$' B ICWuH+XuC]cAp᱉ (+P1˻Fq# ,kd2*ɑA5%cq nnef$dWqJWM/&DrKa9onlʝBdlL{Z=s./ppN[/w10)9i7֟_qٸŌ7WRx{`tU{r^C.钁IzeZ:f{gF