2010年MBA联考数学真题及解答.pdf

MBA201010 A BCDE 1. =( ) :E [] x≠0 2 x [] (1) (2) 2. a b ca2 2 2 2 2 2 +b +c =9(a-b) +(b-c) +(c-a) ( ) ● (A) 21 ● (B) 27 ● (C) 29 ● (D) 32 ● (E) 39 :B 2 2 2 2 2 2 2 2 2 2 2 [] (a-b) +(b-c) +(c-a) =2(a +b +c )-2(ab+bc+ac)=3(a +b +c )-(a+6+c) =27-(a+b+c) (a+b+c)2=027 2 2 2 2 [] (1)2(ab+bc+ac)=(a+b+c) -(a +b +c ) (2)a b c a2 2 a 0 3. a10% 10 ( )(1.19≈2.4 1.110≈2.6 1.111≈2.9 ) (E) :C [] 1.1ax 1.1a- x 101.110 9 8 a-1.1 x-1.1 x-1.1x-x=2a , [] (1) (2) file:///C|/Documents and Settings/Administ...ocuments/My Snippets/MBA201010.htm 18 [2012-12-7 12:12:11] 4. 1067899.08.4 8.19.39510 8.810( )(0.1) ● (A) 9.0 ● (B) 9.2 ● (C) 9.4 ● (D) 9.5 ● (E) 9.9 :E [] 9x 5x 10x 9 5 10 95 9 4 978.3 0.1 978.2 1088 0.1 88.1 88.1-78.2=9.9 [] (1) (2)959 0.1 (3)98.7 108.8 8.8+9×0.1=9.7 9.7(E) 5. 11 210183( ) ● (A) 1 ● (B) 2 ● (C) 3 ● (D) 4 ● (E) 5 :C [] 210183210=2×3×5×7 183=3 13 13 [] (1) (2)11 6. 3.6/ 10.8/22 26( ) file:///C|/Documents and Settings/Administ...ocuments/My Snippets/MBA201010.htm 28 [2012-12-7 12:12:11] ● (A) 186 ● (B) 268 ● (C) 168 ● (D) 286 ● (E) 188 :D [] v v =1m/sv