1、 qd9 - Ba Ab5 X () 0.3PA= () 0.5PB= O A M5B ()PA B= b10 T y _y Tq 5HT0.2 X ( = b 3!M X qs 10 1 2,0.2 0.3 0.2 0.3iXp5 24PX= = b4 5o sY S 11223i|Bo o: X 5 X sp b !M X VsO 01PX PX= =5 ()EX= b!M X qf1, 0 1() 20, ax xfx+ =5 a= bM X Y M5 =XY bM 12 10, null MOVSs512 10 null + +V sb null()E =5d9 null 9b!98
2、X j 198),(2NnXXX ,21null X e5d9 ()2211niiX X=V1 s b =a 4 5 1! ,A B()1PBA= 5 A AYq BA()0PBA= C AB D () ()PA PB 2! 5 b (), 2XXfxY X=+1 )(yfYA1122Xyf B1122Xyf C 1122Xyf+ D 1122Xyf+ 3!2(, ),XN 5q 1PX + A 9v79v B 9v7hl C 9F79F D 9F7hl 4!12,nX XXnull 1982(, )XN e X (:1()22111,1niiSXn=()22211,niiSXn=()2231
3、1,1niiSXXn=()22411,niiSXn=X5V1 sM1n t(A) 1/XTSn= (B) 2/XTSn= (C) 3/XTSn= (D) 4/XTSn= 5L!_ 5_ il (A) L! _$q (B) L! _?$q 0H0H(C) L! _$q (D) L! _?$q 0H0Ha 95 110 T 7 T ,3 T ,b ,Q|B ,|Q ,9BQ|THq/ , =Q |Tq . 2!= _ qf(,)XY,0 1,0 2(, )0, cxy x yfxy = p 1 c 21 X Hqfb 3! M X sf0, 10.4, 1 1()0.8, 1 31, 3xxFxxx = bkp X qs#21PX Xb 4! M X q f ( )1,()0,1x xfx 0 + 7O12,nX XXnull 198 X p Kv9b a 5 1BJ r rB y7rBNBM| 1 2 3 qY ?r 250 kKp?l 500q b 0.3,0.4,0.3(0) 0.5 = ()x Ssfb 2!QI kI3VsV| I3 ( s S sA / VQIk8I3( s$i_Vb 0301.2)35(05.0=t 0281.2)36(05.0=t b 5 ! k0)( AP)()(1)(APBPABP b 2