PP-PS1完整詳解版-V2[1].0

A090 b070 c045 d030 e025 b thegraduatingclassx 48 x

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Unformatted text preview: =3s,3s=4p 4p=18,p=4.5 3s=18,s=6 作作2c=3s,c=9 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 25. 3236­!­item­!­187;#058&003282 26. 3282­!­item­!­187;#058&003293 There are 10 children in a company's day­care center, and a pair of children is to be selected to play a game. At most, how many different pairs are possible? (A) 100 (B) 90 (C) 50 (D) 45 (E) 25 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作D 作作作作 10! C(10,2)= 8!2! =45 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 27. 3330­!­item­!­187;#058&003295 38, 69, 22, 73, 31, 47, 13, 82 Which of the following numbers is greater than three­fourths of the numbers but less than one­fourth of the numbers in the list above? (A) 56 (B) 68 (C) 69 (D) 71 (E) 73 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作D 作作作作作作作作sequence作作作作作作作作 13,22,31,38,47,69,73,82 作作作作作作作number作X,X作作作作作 3 1 ,由由作作作 4 4 3 1 作作作作8作作, 4 X8=6, 4 X8=2 so, 69<X<73, 作作作71(D) ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­...
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This note was uploaded on 12/05/2012 for the course BUSINESS Finance taught by Professor Zheng during the Winter '05 term at Xiamen University.

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