WORD()(8540)1.()A..B.C.D..2.mLOOC.()WORDA.S.a,bB.S.a,b3AC.SC1SC1D.SC1C2WORD5.abaOba()A.B.C.D.6.AB2mmABB/2g0AFF2mgABF=5/2mgA1/3F3mgABFB1/2()A.B.C.D.7.()WORDA.VAB.VAC.V.AD.V.A8.d()(2l020)9.WORD10.(2ll20123050)11..?/min0246/0O09;;.0;;;.;0;.;;.0WORD(1)(10)(2)(10)12.?l.?2...??(1)(15)(2)(15)WORD(2l312142840)13.(1)(4)(2)(8)14.(2011).9.1-3;;WORD9.1-3(1)(4)(2)()(24)