there are 3 male and 3 female volunteers.Now send 2 men and

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there are 3 male and 3 female volunteers.Now send 2 men and a woman to different 3 places
there are（——)way to send them.
求翻译和答案

There are 3 male and 3 female volunteers.Now send 2 men and a woman to different 3 places.
志愿者有 3 男 3 女.现在要将 2 男 1 女送去 3 处.
There are ( ) ways to send them.
有( )种方法.
Key:fifty four.五十四.
若男 ABC 女 abc
可这么分组：
a AB
a BC
a AC
b AB
b BC
b AC
c AB
c BC
c AC
共 9 种.
派去三个地方,设为 x y z.
可排列为：
xyz
xzy
yxz
yzx
zxy
zyx
共六种.
6*9=54.
或者：C(2)(3)C(1)(3)*A(3)(3)=54
再问： In the following regular pentagon,a frog just point A,every time he can just to one of next 2 points, it stopped when jumped to point D.there are ( ) jumping way when the frog jump to point D with 5 times.(include 5 times)

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