1、 1 2017 11.1.2 1. 0,1,2,3,4,5 40000 ( ) A 144 B 120 C 96 D 72 B 4 0,2 C 1 2A 3 4 48( ) 5 0,2,4 C 1 3A 3 4 72( ) 40000 48 72 120( ) B. 2 6 5 2 1 ( ) A 60 B 70 C 75 D 150 C 6 2 C 2 6 5 1 C 1 5 C 2 6 1 5 5 75 C. 3 ( ) A 192 B 216 C 240 D 288 B A 5 5 C 1 4A 4 4. A 5 5 C 1 4A 4 4 120 96 216. 4 6 3 ( ) A
2、144 B 120 C 72 D 24 D 4 A 3 4 24 D. 5 a b c 1 1 (1 a)(1 b) 1 a b ab a ab 5 5 5 ( ) A (1 a a 2 a 3 a 4 a 5 )(1 b 5 )(1 c) 5B (1 a 5 )(1 b b 2 b 3 b 4 b 5 )(1 c) 5C (1 a) 5 (1 b b 2 b 3 b 4 b 5 )(1 c 5 ) 2 D (1 a 5 )(1 b) 5 (1 c c 2 c 3 c 4 c 5 ) A 5 k C k 5 (1 c) 5 c k 1 b 5 (1 a a 2 a 3 a 4 a 5 )(1
3、b 5 )(1 c) 5 6 3 2 1 ( ) A 72 B 120 C 144 D 168 B A 3 3 3 4 144 A 3 3 2 2 2 2 24 144 24 120 7 ( ) A 24 B 30 C 48 D 60 C 12 (C 2 6 3) (C 2 6 (C 2 6 48 C. 8 A (x1 x2 x3 x4 x5)|xi 1,0,1 i 1,2,3,4,5 A x1| |x2| |x3| |x4| |x5 ( ) A 60 B 90 C 120 D 130 D t |x1| |x2| |x3| |x4| |x5| t 1 x1 x2 x3 x4 x5 1 1 0 1 5 10 t 1 t 2 x1 x2 x3 x4 x5 1 1 0 C 2 5 40 t 2 t 3 x1 x2 x3 x4 x5 1 1 0 C 3 5 80 t 3 10 40 80 130 t D. 9 40 3 _ ( ) 1560 A 2 40 1560 1560 10. 8 1 5 8 4 2 _ ( ) 60 C 2 3A 2 4 36 A 3 4 24 36 24 60
