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5. ++ HHgoJ= efPl-dtr|. (ral 7 $7I) @) 4+ dzl, 84 dzl, 16+ 4zl, 'JoI dzl ql II+4 ,JrJ ++q +)^)71 B4zl E_=. + "J 6Jtr}. (,I) d zl 'rlB ql 44 4e _ rJ "l "J dle+ zto)z) "l "J dlzl r* = e E_ ++= +tl +tr}. 6. E^l= tr^l-altrl. @) EEol zle*zl ! a += g ull zl _ " 6Iq ^l -a2. 7l el a += Hls ull zl -? 6Jtr1. ('L) E+el lizl Bg "ll= [:zB s]4 ?ol Erlzlzl €,ta1q Fg H [mm]E 6]L+ = eEE +++ 6o19 Fr{ql 4+ 44 +trI. ('I) d zl ^I+oJ +ol E +ril = d q ^ .1 zlE ullolu--1. a 6Iq Es'^l "I tr+?+ d =tr}. 7. EE= tr=tr|. (ral e E=) @) "J4l *zlE gB+9 *ge. +=4. (+) A+r+ B+ol azlE+ g=+ql^l g+_o E 24tr *+4. eD 24tr *+ *zlE ^l 4l"J6J o s 90"E1 d ^14 s=+Eg g+€ql *+l dq aaq. eI) 8aE 6J 4"il= 6)-eL).JE 'JBg +d r'l q=ol+tr}. ("1) 4+g 24a, 8+g 448-, 16+9 8€-a dq ae-g.E lizl tsIE =qt+. (rl) tsIErl zle+ 9 rl zl= d ,zl t ^J zI rrl 4 4 C9"l "t +4 eI) 8+9 $"IzlE ^ls pliu_l 9l= ++ 7l q4 *=ol q= HIE E}_tr_,tlzlE 'J* =:sE 6J+ (zB 10 * =l ("t) 16+ g "l zl sl uleufl zJ sl a +E 8+el a +e+ u|{z}xlE_ d =tr}. 8. E ?.!4:Lltrl. ?D frzl$ a[.r.-] ++71 4+61 *Ezl +ql6] r E "J 4l*zl ql e 4 +4. I trtr Etr []E [J[] I :aJ t eol ,Jo1 plrH r= 8 =LH7l (b) A, Btg aa4. il r-- - -- --J e _ e+ =gss e0'rl de4. (.) -ral o 1EV tr^l6l= "J,J = .Ezl olEl EU o 9E ral 10 8+ tr71 5 .\L o 4 tL + 8 ,\l o I J ^I d t) ,\I ci + , + I -62-