PP-PS1完整詳解版-V2[1].0

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Unformatted text preview: C 作作作作作作What is the number of variations in sign for the sequence,作作作作作作作sequence,作作作作作,variation:作作作作作作作作作作作 作作作作,作作作作 作(1,­3)(­3,2)(5,­4),作作作 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 20. 2563­!­item­!­187;#058&002787 It takes Carlos 9 minutes to drive from home to work at an average rate of 22 miles per hour. How many minutes will it take Carlos to cycle from home to work along the same route at an average rate of 6 miles per hour? (A) 26 (B) 33 (C) 36 (D) 44 (E) 48 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作B dis tan ce 作作Carlos home to work作作作d, carlos作作9作作作作作22miles/per hour, time d 22 = 6 3.3 9 60 ,由carlos由cycle 60 = time time=33 d = 3.3 作作作作 speed = ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 21. 2609­!­item­!­187;#058&002849 If a = 1 and b = ­2, then (2a^2 + b)(x + y) + (a + b)(x ­ y) = (A) 0 (B) 2x (C) y ­ x (D) x ­ y (E) x + y ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 作作作作C 作作作作 (2a 2 + b)( x + y ) + (a + b)( x − y ) = [ 2 ×1 + (−2) ] ( x + y ) + (1...
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