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<lt g + ^1> 1. +g =Hl= slrl. ?D oJl EelE ,il4ftr- ,il*ol +=4. (+) 7+ Eelel Ea+ zlEg "Jol€-4. (r+) lrJ qlile+ ^'ILJ= =Hl .J+. (+) Eqd++ rl1++alolzl= =Hl ++. 2. B= =el= ul{xlsfcf. aD E6.J EqE EalzlE S---+Q---+f---+[ t:o -e ztql-a ,1+a ++olql rC^l 7Jq (+) ol4 EqE =el7lE L+ Mg dEEq re} zlolr-l Eel K^Iolel g.il gEl += 4. (=B 3 +4) (+) ol4 =zlE =i'l7lE Fe+ c, H= rlFE zJ t4 lrlol 4l HI ^l +trI. eI) SA Eel E= "Jud Je+ TIF=ul I^Iol "il TlEAl ,t)i4. 3. =:d =e1= =trEltrl. el) "Jz =zlql "Ja +7-)-oE "JlE =r+ E6l =tr}. (+) 7l 4l= El drl 4 oJu =elql "Ja7l El + EZI.J +g TlAl= C zlrl 7Jtr+. (4) 7)A)= =7 Asl d^l A+. e) E.6] =71 Be]. col 4+ dE EzlelE d ++g +A.J+. d++ol 4 [mm], 3 [mm]z] gE+ 9Eol 61]^J =4fl4. d++ol z _ 7l+ 4z)4 E= vJ sJ ol olg a += H {ollQ.rl =e++. (:z? 4 +z) ("1) E6.J Eq Ae+ Dql 4 + dt- Eel e+e-l d++g (+).J+ ae *BgE_ ac+tr}. (ul) oJa =q +g dEg fEoE 6Iq + E"il d+rl 2 qT 2-31 +"il qq'Hq d++e +C.JtrI. +H"il q+ d++e A, B, cE Eal= 4 [mm], D=zl= 3 [mm]z] gE+ ae++. d+*ol + *xl e*g A += aC 4l}e + *g Qlrlzl =A + 4. (:zB S +z) ral 3 HH^I r= 4 EE=aJ tr++ r= 5 E-d=aJ =Eulrl ol===J AJ- -1 ral JE =a{ qE"J-BF -33- /al