[問題]GWD 00-33

[kevinlan]

Q33:

A photographer will arrange 6 people of 6 different heights for photograph by placing them in two rows of three so that each person in the first row is standing in front of someone in the second row. The heights of the people within each row must increase from left to right, and each person in the second row must be taller than the person standing in front of him or her. How many such arrangements of the 6 people are possible?

A. 5
B. 6
C. 9
D. 24
E. 36

請問這題該怎麼解呢？
除了用1.2.3.4.5.6套進去外
還有別的方法嗎
謝謝

[Ace]

請愛用本站搜尋功能
http://www.formosamba.com/phpBB3/viewtopi ... +different

前人已經針對此題有許多討論
若有新的idea可接續討論

[kevinlan]

謝謝ACE大大的回應
不好意思..我不知道這一題是重題
再請問一下
站內有GWD重題的對照表嗎？
不然我不曉得原來這題GWD 00-33就是GWD10-25
謝謝