!#" $&%('*),+.-0/.12%43 5 TEU>68V,7:= 92;(<>=(?@<.A>B8CEDGF4HJILKM5ON P>Q.R7S3 W,\,X.]2Y(^4Z(_ [ `5 (ab68[27:c>92d ;(<2$>K2e4f(g2h(i.j>k&e4+&lbHmI*KM5ON P(Q.R7S3 n{@4/*o(|8p*q@<EW,r.X@s,<ux2}4tw~Jv(xby,hu(z 4 bGb,<:8,.xb>J4 @3EH:Ghuz 5 @b68q27r.hbs,<>%: b<>((@8AbC4@8xbl@y&/ECb3.N,E`>-0a>/:[hu5Oh>z m%E(CG .lG¡£¢&H.KE¤7xE¥8<E¦@<&¨§SHb©(ª C8'>«EEN,(¬>[5®h>%:.C& ,lG¡£¢¯/°¤&7ExE±8<b¦@<¨§SH((¬.²(³&C8'°iJ%µ´@Ab-0/>3 (¬>[ `(a>[ `(a, ¶.·.¸,¹ (¬2 (¬.a.= 2002 9 18 3 1. 20 (a) 20 (b) (c) (d) 2. 30 30 (a) (b) (c) 3. (a) (b) (c) (d) (e) 1 50 0 0 0 0 1 2 100 190 1 2 10 30 3 4 270 340 3 4 60 100 5 6 400 450 5 6 150 210 7 8 490 520 7 8 280 360 9 10 540 550 9 10 450 550 ,¿\,`(À@ab]2[,^4^4_&_& C:C:¦¦¤8%»%»bºGºG(¼(¼(¬>½4½4[,¾b¾b ¦0¦044HmHm¤2KGILILK8K8/@33 %*´@Ab-0/b3b>.\,]@^4_%»b(¿,À8^4_&C:¦2¾>¦4HmILK@3 Á.Á.Â(Â(Ã(Ã(Ä.Ä&W,ebXÉ2ÊG%*Á./°Â.N2Ã(`(Ä2ab[8Å@<4Æ>Ë2@Ì@CEÇ82EÈbN,Hm>I*¬>K@[83 <E@,@CE:¢,Í>¢&Ç8ÈbHmILK83 20 10 ),+ n4Eo(Gp*q@v(r.H s,<>8(,<>=(`.?a,hm¡¡£¢¯/LV,=G3 E& v @H2Ê°¢ 6@3 : u bx. H ' ®`( a 4x.H ' W,XGC @lG¡£¢ '<0% ,H>-(q@r, 83 @lG¡¢ 5 &ÈG¡£¢ 87°W,X&C4Y8Ê4ZE¢¯/ Ex § ¸.ebÅ:¢¨/:<(¾ 623 \,].@CW,X@<2^4_2¾>¦4 '»<83 W, X »@H2Ê°¢ 6@3 TEU(V,=@^4!_ #"(\,]@^4_@x 6@3 Ë2Ì([. _ 4¾0' %^ $& :¾0' `(ab[8<>¶.·.¸,¹m(% ')><b¶,· *%»,< +G3 Oc>d 4/< .04@H2Ê°¢ 6@3 213 %48Ê>H0¡ 6@3 6573 V,=J%La.=J%°< + TEU(V,=J%wW,X%»<,+ Ex 3 n4q2o(r.p*q@ ,r.s,< :<<>;2G<bl (82)¨<> % 9=>?@BADCEFGb/< H.W3 q2r,, M5®`(a>I [ (¬>[7E< :<;5O\,J] ¿,À&7E,< @,K- 6@3 >B A(CEFG 5 Ã(Ä07E/< @K- 6@3 \,] LM,(±&,e N8P½ Oµ: @3 Ã(Ä @,K2¾,H2Ê°¢ 6@3 O\,], Q¿,À2 4¾0' 3 N8P ½ O <b] R/48Ê>H0¡ 6@3 ST(Á.Â@>,¾,x24Á.Â(Ã(Ä8/x UV@vbc>d&C W<X,Y.-0/>3 6ST.Á(Â@> Ex.H ' 3 Á.Â.Ã>Ä @H2Ê°¢ 6@3 Ã(ÄTE@U>K8V,=2/< Z2x =5 _ [,x \]^.!] _ 7 `(a, TEU(V,= 1. (a) 1 0 • OK. • OK. • (b) 0 • (c) 0 • 0 • OK. • • OK. (d) 0 • • 2 OK • 2. (a) 5 • 5 • (b) • 0 OK • • 5 (c) OK • • 0 3. (a) 0 — 1 100 2 3 90 80 4 5 70 60 6 7 50 40 8 9 30 20 10 10 2 \,]2^4_@x W.X \,], 100 90 0,1 1,2 80 70 2,3 3,4 60 50 4,5 5,6 40 30 6,7 7,8 20 10 8,9 9,10 ET U(V,=,<E¦8x 623 @b|¨%b4 b¦@x 6@3 0¡°h,H(ºG¼>½ #^.jbk8H.º8¼>½bx 623 TEU(a.=2x (¬, TEU.a.= 0 • • • (b) ¿,À@^4_@x (c) >(\,]@^4_@x ∞ 3 3 2 0 — 1 10 2 3 20 30 4 5 40 50 6 7 60 70 8 9 80 90 10 100 W.X ¿,À2 100 90 9,10 8,9 80 70 7,8 6,7 60 50 5,6 4,5 40 30 3,4 2,3 20 10 1,2 0,1 0 0 3 W,X \,], >>¿,À8^4_@x 100 0–20 90 80 20–40 40–60 70 60 60–80 80–100 50 40 100–120 120–140 30 20 140–160 160–180 10 180–200 0 ∞ 100 90–100 90 80 80–90 70–80 70 60 60–70 50–60 50 40 40–50 30–40 30 20 20–30 10–20 10 0–10 W,X ¿,À, ¦.@H2ÊL¢ 6@3 @$><E).+%8v(H0¡ 3 ^.jbk8HE¦@x 6@3 ¾ 42Å@ÆI ¢u/E3 i,<>Ã(Ä@¾ 3 @$><E).+% 8v(H0¡ 3 Å@Æ>b (_2¾,H2Ê°¢ 6@3 N,`>a>[8x Ë2Ì0EEN,(¬>[8x :2>-0/>3 (_2¾.H2Ê° ¢ 6@3 @$><E).+% 8v(H0¡ 3 +2 E :-2 3 @ 6 8e.^:-0 / 8$(eG' Zb :-23 89$:3; x E ¾3<< 4ILK83 0 0 • OK • 5 • (d) 70 0 60 70 •1 OK • OK • 0 (e) 3 4 • • 6 7 0 OK 4 !"$#&%(')*,+.-0/213'4567
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