ϺӾ쿼ԇМy(c)(sh)P(gun)ϵyȑ(yng)ԓf(shu)ǵڹ(w)Tԇ(du)ڻӾ씵(sh)֣^(sh)(wn)}҂̲ϞҿY(ji)˼(li)ɿϹоԇW(wng)្}(du)@һ(li)EѭĆ(wn)}҂Ԍ֮w{鹫ʽɽQĔ(sh)(wn)} Ȼ@Ҫf(shu)Ĺʽ^nj(du)̲ϔ(sh)W(xu)ʽӲס䱾|(zh)w(hu)ʽY(ji)Ҏ(gu)\(yn)侫 wȥѹʽõO҂ԏׂ(g)(wn)}ԸQһ (1)ץסʽ(ni)˿(wn)}|(zh) Ϗ_(ki)ЬģһpЬM(jn)r(ji)50Ԫu(mi)70Ԫһ́(li)I(mi)Ьoˏ100ԪnϏ](mi)X(qin)ӓQX(qin)ºӰl(f)F(xin)ǏԪnǼٵϏֻr100Ԫ(li)Ϗм(x)˿ǓQ(li)ʣµX(qin)l(f)F(xin)һ20ԪҲǼX(qin)ӓQ(li)һX(qin)Ո(qng)(wn)Ϗһ̝˶X(qin)?( ) A80Ԫ B110Ԫ C130Ԫ D150Ԫ @ǰ@(li)@ȥ}nj(du)(rn)(wn)}ʽⲻĿ}O(sh)õ˽˔(sh)P(gun)ϵеı|(zh)P(gun)ϵ(ڴ}wF(xin)(rn)=ۃr(ji)-ɱ)tϏ?jin)וr(sh)(yng)ԓٍ70-50=20(Ԫ)?yn)յn(do)(sh)Hӯ̝20-100=-80(Ԫ)֮ӓQX(qin)Ć(wn)}?yn)K֓QX(qin)Ԍ(du)(g)^(gu)̵ӯ̝a(chn)ӰKϏ̝80Ԫ ͨ^(gu)}ҿԿ(du)(sh)P(gun)ϵ|(zh)İԎ҂^(gu)Vܶo(w)ϢҲ_(ki)ֱܶ_(d)}ĿҪ (2)ùʽʽy(c)(f)s(wn)} DL(zhng)(ni)Č(du)((bio)̖(ho)ͬăɂ(g)Ξһ(du)ġС)ÿһ(du)ͬôg@(g)Сεe飺 A.25 B.30 C.36 D.40
@ӵĎΆ(wn)}ҪѵP(gun)ϵȫȻҲһķNСͬ߅L(zhng)ҪһһʾӋ(j)(hu)Դһc(din)@r(sh)ͬW(xu)܉eʽʽܷ̾(yng)eһ(g)ƽ(sh)@ѽ(jng)iA,C֮gA߀C҂(jin)ο߅L(zhng)32-߅L(zhng)2Ȼż(sh)εeҲֻż(sh)36 (dng)Ȼ(li)Ƶ߀кֻܶǎΆ(wn)}﹫ʽʽг̆(wn)}̆(wn)}Уҵ_P(gun)ϵҲԽY(ji)ϹʽʽѸٲ³ ϹоԇW(wng)hͬW(xu)?c)}^(gu)жw(hu)ʽı|(zh)͑(yng)üeһ(zhn)_Ч |