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10)lao: C o3J0i4'l: ,30103m (Th(0)laOWo 63313183 mo mo1lo1) aflcriI Lo 10)16fl?JO W ThcTThfl2JXlmD 100 0601 oU18lO6)3. (8o 100(131) mlm),3o)3,. (100-10) (100-10) - 90x90 -81 100 - 100 01)116)1)1)0 u000lomo = 100 -81=81 =19 8.60183 (W18. 10116)1)1)0 J3Q oX 48cm mrbaDjmt flu11)6mo (a) 72 .i. 6)ffo 181. (b). 96 .oj. @ml. 144 j.63cro 181. 60 .j. xno1l. 210

01X6)oJn18101)

27<64'x4°= 3x8x1= 24 83(c) 183,16)el (8T2110, (3OaOoOa mio m60T3U1) 4 (0)36WltD3 (0T6)9, (3U83o08 (IunO(06013u1) - 4 186fl03o JJ18010)(ThlO)3(01) 0J3(1)6T1) m)o61)J,u1) oO(al.3J3(0Z

1B,2C.,3A,41),5A,6B,71),SC,9A, lOB, 11B, 12A, 13C, 14D, ISA, 16C, 17D, 18C, 19A, 2013, 21C, 22A, 23B, 241), 251), 26C, 27B, 28A, 29C, 30D, 3113, 124 12(7 144 2511 36(7 27!) SRR 39C, 401), 41C, 42A, 43B, 441), 451), 0.75x0.08 .± - 12 46A, 47C, 48A, 49B, 50C, 51A, 52C, 53 0.02x0.25 2x25 B, 54A, 55D, 56C, 57B, 58A, 59B, 60D, 61C, 62137 63D, 64A, 65B, 66D, 67C, 84(d) 68D, 69A, 70B, 71C, 72D, 73D, ?' at, t4 f:t 75C, 76A, 77D, 78B, 79C, 80A 81. (c) (1118S3(030)107 1 1132l018lQ(1) -1000 181911)

20 x100% = 1000 82.(b) 27=

5% 85. (d) (1)3613131(0)1)1121 X

=3 (113613131(D)

64 = '64

0 = 25)1(1 100 oi1i 2500 x 100 80

- 3125caaj

40= 1

86. (b)

-.."

]Ile Monthra 4

l

4.,

01601)02008] 'a' OJU86)3 @p (1U6)J10)3(a1010)16)01)0

(213q3130J56)213Oo 2010) coolel3o1)en000l6mo. 60Jo118 = 10)=10 6)01)6)1. .J093la0310)l6101)0 oilo)311)6mo = 133(1318o(i861)1(flD601336)9 (0)3, 50901(1)0: (c) CflloX oTholl 01213(0)1(1) 0(32)j6)310118l, j3Q2lO= 4a 15. ml(89J0Q) (fl102i600)355 63183 =25x 16=40)) emo. aJ16)s LDT GllJCfWo (18181 48 013630166091)509181010)111)1)6)01 4a=48 a= =12 (PJ6).J093la1010)l6101)0 oilol1)6mo (0J3,3(lD107 3(01) 6)0()1836r17. 63S1€10)0)3. (0)80912101)06)363,5 =10)) (3(1810)3102(0 1+2=3 0J1fl)l1)61flo = a Qo J30J51(01)0)1fffl30 818191) an a 40)) 1010)lao: (a) = 12= 144 i.ns1l. 63612J 633l0T03l09l1e213(M3. a(3) 18.63183 110,06maU0010a1)o 49 a- '2400 -2)) (010)18o:C ,1(o1) 63,013601316101)0 09(001) oX 30 61(01.6)1. 601)607. asraol (1D6)J093la03l0)161(11)0 al3Q5oX 9. 60183 01300310)16)1)1)0 6)183 (011) 509(8o oo? 61(11)0 63183 0 8(010)16)01)0 olo =4a 0108(0(0)161(11)0 wlo 16 CU) (1331) 18181)31) (a) (b) 106)191) (Gl1),301) (ruowJ183c0(0)co) 4x20=80 (0)0(01) m)aJ(0)318co10)l63o1)o oil (r) 165191) (0)1418191) 5(010118o: (C) nl1)6rflo )? (ei3mjoQ(JS. 63633331)-2010) (a) 15 (0)5 12.211836)301(0)1(131)21635(01) ojml.l (a) 289 J. 611106)1. i) 2 1)361(3. 6(6)S2i16)01)0 (0l5013o (111 (c) 1)) (h) 256 .oJ.6)01J181. (213Cfl13(Q)al5. (2I1)2J3l9 2010) 091093o (0)34o. 5061(01.6)1. 1111090 250 .j. 63ml. 1215600)1(01) i0o 63183 (Q)l21O,06mc010)l6)c11)fl 6)aJOl 1091101) 225 2J.6fflU6)1. o C (13) 18601 0J08601336)S (0)363, 01 8o 6)61S2J3601. 1830110)3215 oil (6m7..enJl 18(1)1133(1). 20111) (11163) 01086)031306310301) O,3S30 011)6mo (°'),15°) Q%51 J 093 Cro6)J(o)318co1m163c11)o oJoacoi00 63, 1)60o oJ3Uo+ 2Jo6OJ& 210(02118lS613o. CO21s .2J3Q0i 18(91)6)191)? 21C11)owlo a-16 30 6)012.6)1. (1311)101(0)1013(01) 6)3 (a)200 (b)20 =8+6=64+36=100 0i1Ol1)6fflo=a =16=256 (11)3 0J08601336)S M)2cej 30 (c) 4)) (d) 24 = iioo =10 (010)18o_h 6)012.6)1.601)6(17. 631830108o 15(1311). (601)09. oiloilw 0l63Z43O01). 2013) 0J30l316)01)0 09(031)11) 509(8o 1)). 63183 01)6)oJ(0)318(1T)0)l21O1)0 .2J3Q 6)61fl,1(01) 18)3 (8601 oi0860(33 183010936)S (015050\106)0)3181. =AB+C ni20 6)11)1.6)1. 01311)10)3(01) =5006)012.6)1.- 56)1)3(1) 03001001)0 oi1mm0)161o1)o =6+11)-1I) 18191) 183,l101) -Jo61mu 6)3010936)S (111091= 50x 861110.6)1. 1oe0€m col (o? 50310118o: (r) 0)ml10o1)o () 413(5)j63,(13) (3318013(m -40061C112.6)1.-46)1ç31) (a) 25 6)C01.lal. (0)50 exiu.oO. 16.10 091b MI@MgM 6309 =3€ml 8 (616)3m11g). ((3160936),06113 OJ oilo11)6mo= m1ox 0.11091 6)191) 509186)355 63183 13lloIufl (c) f6 m.18l.(d) '150 (/8(010)16)01)0 mlo 15 1)63l4. =5x4- 20 MA A .213181610J441(81636131103. @1 01(S'6)3CT1) 2006) 0l0)18o: (a) 5600)18o (b) (010)109 3615 (0)asl(330)(030)30)l 19. (0)361W 0JooD3Cmoi09l101) 63183 63183 (1U0oJ(0)3(a0310)16)C130 n4 13. 63183 6)1)(3)3)11363,36111(010)161fl1)0 1103° =Q%(1)) 18191) (131863,6121093 001)ual 601301) (810)3l)l lo3emlom)161o1)o 0108601) o49(J3o MI@o 63,3S110) (U080. 616r43(m1093615 J3oiS? 6)3( 6186)Jo18Gmu18oGoX(0Iaaol (a) oi1,1)6mo(b) njof3o 363001) 0D3WJ09Q2307 (a) 65191) 63(11)0 ojle,1)mo (0) 366)191) (07? (C) 63,c1)Gmo (0) 2Jo612Jo (c) 186091) (d) 26)191) .oJ3QoJ=20 (a)2,:3,7 (210q3ia(9u7, 63,63333(b. 2010) (0Jl(S3636)001), 2007) 4a=2() (b)1,3.4 10,6.15 4 2,4,6 0106o = 5cm (210q134(U7. oJ02J66)0S2010) CUNI aJ0I3o 63183 1o,36mlom)110o1)o 6)J0l 18601 OJU8613l336)S (0)3 01 63183 181))1(S63,0611)(01011(01) 6)183 aJl0) 0J086)(013D6)001) 3S3(0) 1363,061)1) 900 (031)60. LDMIC6 ,) 63,1)flo ciJ313o+ PJoSfllo 2J309l181Q3o. 010 09161(809355 01086)0601 1) AC=BC2+AB lam3Cro18l6)3m)c c 09061)7. 6Iflo. LD006d oQ3QOJ3o 0121110) l0=BC2+82 (10+6>15) 01 (18 o. 1004C2 +64 101131lao: (c) 5600X8o: (c) 20.21183©l13 ,36Tfl(011816)01)013 ,3 14.63183 181))11363,36)1)l13T0)161C11)0 01 100-14=BC 6m3,1s1) 2:3:4 c401) (1138o0860i 08601301) 6 6)012.6)l.5o 8610)1. 181. 364 20$QT0(l(01) SQ oilm 1 (00)1213093(01) 0121110) (0)3 io31o1) (018(0)16101)0 63,1)611) '136 BC 13,361DoSQR 113on36i7. 6Tfl3o 6).2J0110) 13.633611)3o 0966)1 10112101)0 (0150 u4)? 6-BC = nJOB0 2 + 21oni02 PJa@p (0180J3&,3615 0409J0 (a) 3661012.6)1. (0) 6461012.6)1. 5090)(ao: (a) SQ 2 = SR2 + QR2 = 52 + (c) 10611112.6)1. (d) 1461012.6)1. 17. 60183 181)1))3)11363,3601(0)0116)01)0 (a) 20' (h)40 (oDllo1)01oi1)63631), (1311)1318310Jo136,0611)363,535)5 (09o086010'U) SQ2 =25-25=50 (c)60 (d) 80' 616305o. 2010) 6)01051 01180(11) (100WJ6009355 SQ= '50 (aUaQa?0901) oiloilwo 97630J018101) 136007? 013216)o1)d 0i09o)3S2013) (a) 1:2:3 (b) 2:3:4 11. 256)1Q(1) (1)l0i3o 16 6)1Q(1) (111(M1 1830113 1363061D3e363S (0)363, (c) 3:4:5 (0) 4:5:6 M)am;lpo 63183 .J(0)318W30)l6)01)0 = 180' (210q3134oX605eJ 1J3W 2010) oJlnl1)6mo. 63183 (11)182J(0)318 8cm 6J0l09(863,06fl1)- 180x-=40° oJoI3o (o9)11363,o6To60m163a1)o 136313630363, 1u101161c11)o oilo11)6mlom11Co3 5361S 0363,1800.1018601(01)63(117 63,1)6fl)o>J313&+ PJo6flJ0 0346)36fl. lo1) (fl)6)J03 0121110) (263,06fl1)= 180x =809 90 601)6117. 6).oJ 1)1102 18601(263,0 18(030)12101)0 0J3Q1irQ)()? =8+6' 04(0)J3ff0o80- 40= 40 6m363s536)S (0)363, 900 (1111)01 (b) 20 (a) 2)) =64+36= 100 010)lao: (b) 613(0. 0) 6T)JCRDo (13T3o0861)JffU) d) 100 (c) 80

(.125)2=015625 94(h) 89(c) 100 183nJ( 1 6)3(0)61(010) oi2J108 5)6001)53 6013)18601 oi1)6or12121 6313(8 (0310909163,01) 09091(01) 1 oloi -*1.5 (830J 100 (83oJ) 1 OJ1)091610110) JPJ1U2J 0)161(010) 015(0)J0Cro6)3611(30i3o ((018 Wl01l3,610 5u1)61S3(ml6),l(01)l. (13%610, ,35l ,01) -*8a+Si -13x -*12x1.5 - 18183oj 26-1-2010-* 6)J3Q 13x32 416 0Jafl&am1186367 -*18% 26-1-2011 -* 61)J3WCI1) 90.(b) 87. (c) cli X 211Q(1) 63010 613 1061012636)1)1)01101)-) 1006)191) x6 6061012636)C11)01a1)-* 6006)19(1) 95(h) , + AI 3616)l1131) 11810)31)1(01) -*6006)191) 6)09 x60 606)10131)1l01)- 360006)191) xx 300 1 6)61'0l9€)301(01) -4 366,1.181. 5 15 10 20101(0) -*3663,1.6)1/186101636)31) x 300x. 010 91(b) 2 (0)3S(b.09010) 3 o)3)6333(01) (fl)o10Jj63 =7SO21lç)1) 536)5 (0)363, oQ)(S1J3W3o 36)01)0 013 S3 ((1103a1) LOMI (1331)0i08J213 61D1096)3091(816303o. 090111181636)3 15+ 6 21 6)1)31) 6)Qlo -*750-300= 4502JlQ(1) Cr0601101) 361(11)0 (03601160o-* 180 96.(a) 88(b) 92(0) - - 6'Y >YTh' 100 '22 C-220 - '125+16+9 98.001 1.999 = 47 50 - '1(22 1+220)(221-220) 93(c) 6)1)31) = 1252 = 15625 97 (0) Ia-b= (a+b) (a-b)] (T1)o61JJ09l(01)55509l6101)0181)1U ,

(011)6f11),31,01) -*8x 6)o6fl1),351U1) -*5x 5 x = 160 a- = ).Q= 32 5

'1441x1 4441 = 21

oi1)wmo1j 13l::1.+ 40-* 11186(01

18lQl6l-* 11 616m163d15 6)l0131)1830)J 10-45 98.(c) n(n-l) = 10x9=9)) 99.(d) 'a 0120 W0)60130Z'b' 183oJoi06013l b oo3w01601301) 'a' (83oJ1 01193101) 2J3(3%=32-b2 xl00% - 1 l 2-102 x100%... 12100 x100%

102

100

=21% 100. (d) 16)3(0)101)100016)1876)63,3601 (Mo611J63,01)-* 100 -14 16)3 (0) (01) 300 016)18 7 6)63,06110 0la163Q301) cJQ3fl1) UUo61l'-) 300 -*42 1006)309(01)300016)1876163,0601 ,0181632101)1) oJQ3(T1) (TUo60JJ6301) -)42-14=28: