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(4) +C d Ael 'J ol= 2oo[mn]-E u]lx] 6} "ll +el na zl+ol 20[AJo]8 +q ee Aol 0= L: 0 +2(A_a) 0:L-Z(A-a) :200-2(32- 13) 162[mm] ol tr]' (5) +E Ll^l+ql olg4= aBoJ + 'I rl$z} 1-21j CE Bolo} a|-=-=. [:B 3]4 ?ol zJolE *A {,'.}zJolql *E+ g-B= Z 9l of +trI. (6) r+^I7I g4= 4+ zJolts (s. 1)4 ,Jtr+. (t) L+^l ol g4 ql = LI^I+Er+ Ll^l7l fl= q+ BEol 91trI. oJ q+ ++ 4rl-a € a E+ "fl S.=il + zj ol uJ;, vl +)E ^I = 4*zl glsoE- €eE 6l= a+ql = s.= il + zJ olE4 ?JAl zA*zl 9l dlq E 4 ol tr}. (8) ol€.+lel +^I olsg B u]] ql= (x. 2> e+ ?ol q +il +e+ ol€.4 el €ql^l +d c t*214 il+E 9-L 4,rI olgg 4qq 6Iq ol +E+. (g) as' 9!E d,tlzjo13 "JH E= +oJql J 2 (o+ 1.4t4)= #+ ? ol ol 4. (El g t ^1) 1. 4tg =HlE E}trl. (,D g,q-+ zl Ee+ *+= =El+tr}. ("1) a+tr +el zl$ql ",t= iilol^l B 1^ll E= =El+trI. e) Ll^l € alzl 4l ill ol^-l B s.E ol 9l E_ 9- ,ll + 4+ ^4lule TIHAI rC^l 7Jtr+. 2. Lh^h =+gE Eltrl. PD ylolg uloJ :-qJr.l BtgE 150[mn)rtz] Lls4l ac +q. (+) L|^I €4zlE +ql zl4ol qE+ ;.C oJtrl. fal 3 xl+oll "fXl agEJ AEl| E 1 ultlTt E4= eol N 4rI ol$tr 4 +q zlEr+,Jol E 2 90. g_H.el o{+^l+ tzl E(A) 15 20 25 32 40 50 65 80 100 4,tlzl E4 = Ai,Jol (a) 11 13 15 l7 18 20 23 25 28 90'9.H.. Eazl=tAl +C ql^l Etrzlzlel AA A[*J q+ il+ A-aImm] 15 20 25 32 40 50 27 32 38 46 48 57 16 19 23 29 30 37 -74-