ɽţl(f)W(xu)yn̰_(ki)OЩn ɽţl(f)W(xu)Уɽһ֪l(f)ӖW(xu)УW(xu)УkW(xu)(hu )Bһ˲ЌW(xu) (tng)f(shu)@W(xu)УĻyn̺ܲe˽һ@(g)n(li)҂ͽoԔBһ
ɽţl(f)W(xu)yn̰
A.׃ͣW(xu)ڣ4ܣ
̌W(xu)ݣ沿ٻyW(xu)ՓA_ĻyEֲyNĘͻyļɫՓӰFyI(y)yˊy_yͻAַr(sh)оl(f)쾚ոNP(pn)l(f)ͼg(sh)ճĸNy漚v܉쾚ոNy
B.ˇg(sh)ʊyA+BW(xu)ڣ8ܣ
̌W(xu)ݣ(li)yl(f)ͼ׃r(sh)еL(fng)y(jin)srʽNɭϵע،yݺͰl(f)OӋBy׃y鼆Ʒxṩy(sh)`wֹnȫByĸ헾Cy//ֹW(xu)T(chung )I(y)ṩ
W(xu)T_(ki)o鼆ƷxُOӋ\I(yng)b
C.yȫܣA+B+C(W(xu)ڣ16)
̌W(xu)ݣᘌy(w)ˆT(zhun)T(mn)nAͨ^(gu)ϵyW(xu)ɞI(y)y͎ոNynҪvﻯyy׃y(zhun)I(y)ﻯyW(xu)͌(sh)`YԔ˽yY(g)
Ͼɽţl(f)W(xu)yn̰ĽBλDzҲĄ(dng)֮l(f)W(xu)У߀_(ki)Ol(f)һϵn̿ɹxô߀ڪqԥʲôs(li)У
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