作业帮概率题,话说是英文的,ten people are to be seated at a rectangular table for dinner.Tanya will sit at the head of the table.Henry must not sit beside either Wilson or Nancy.In how many ways can the people be seated for dinner?我不知道那
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概率题,话说是英文的,ten people are to be seated at a rectangular table for dinner.Tanya will sit at the head of the table.Henry must not sit beside either Wilson or Nancy.In how many ways can the people be seated for dinner?我不知道那
概率题,话说是英文的,
ten people are to be seated at a rectangular table for dinner.Tanya will sit at the head of the table.Henry must not sit beside either Wilson or Nancy.In how many ways can the people be seated for dinner?
我不知道那群人应该怎么坐,THE HEAD OF THE TABLE 指的是什么?还有那个是单面坐还是双面坐?
BUT ANYWAY THANK YOU
概率题,话说是英文的,ten people are to be seated at a rectangular table for dinner.Tanya will sit at the head of the table.Henry must not sit beside either Wilson or Nancy.In how many ways can the people be seated for dinner?我不知道那
TAnya 固定了 就剩下9个人了
而重要的是定下Henry 的位置
他在第二位置和最后一个位置时其他8个随便排8!*2
他坐在第三个位置和第九个位置时有7*6*6!*2
他坐在第四个位置和第八个位置时有（2*6!+6*5*6!）*2
他坐在第五个位置和第七个位置时有（3*2*6!+5*4*6!）*2
他坐在第六个位置时有4*3*6!*2
总的方法数是以上的各项相加的和
长方桌的两宽边,面对门的一边叫上座,即(head of the table)一般是男女主人的位子
THE HEAD OF THE TABLE 好像指的是餐桌，，，
但是你上面的我真的没看懂！！意思好像是：
十人就坐在一个长方形的桌子吃饭。谭雅会坐在餐桌的主。亨利不能坐在旁边或者威尔逊或南希。在全国人民代表大会常务委员会可以坐下吃晚饭吗?
ten people are to be seated at a rectangular table for dinner. Tanya will sit at the head of the table. Henry must not sit beside either Wilson or Nancy. In how many ways can the people be seated for ...
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ten people are to be seated at a rectangular table for dinner. Tanya will sit at the head of the table. Henry must not sit beside either Wilson or Nancy. In how many ways can the people be seated for dinner?
10人围一长方形餐桌吃饭。汤娅一定坐上座。亨利一定不与维尔森或楠希相邻。
问：有多少种不同的坐法？
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