日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. 2012•hģMɾdꖳl(f)ɶijһ܇\(yn);ͣ܇վǣdꖡ_SSꖡVh׽¶ɶôҪ@܇܇ƱһУ

          A.7N B.8N C.56N D.28N

           

          D

          ԇ}ľdҪ(jng)^7(g)طҪ7N܇Ʊ_Ҫ(jng)^6(g)ط6N܇ƱԴt(yng)քe54321N܇Ʊɵó𰸣


          ܇Ʊ(sh)=7+6+5+4+3+2+1=28N

          xD

          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ[ͬ]2014˽̰Д(sh)W(xu)꼉(j)µڶʮ29.3(x)棩 x}

          2014•ˮDʾҕDҕDҕDĂ(g)wҕD

          A. B. C. D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)ϵ3.1(x)棩 x}

          иʽϴ(sh)ʽҎ(gu)ǣ

          A. B.a3 C.3x1(g) D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)ϵһ1.3(x)棩 x}

          һ(g)ƽȥ؈AFDβǣ

          A. B. C. D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)ϵ4.1(x)棩 x}

          2013•һģ20121226վVFȫͨ܇һڱ͏VݵĻ܇;Ҫ(jng)^ʯfhL(zhng)ɳվF·TҪ@܇(zhn)ӡƣ N܇Ʊ

          A.6 B.12 C.15 D.30

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)ϵ4.1(x)棩 x}

          2001•AͲl(f)Ĺ⾀o҂ĸXǣ

          A. B.侀 C.ֱ D.۾

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)ϵ4.2(x)棩 x}

          2014•L(zhng)ɳDCDǾABϵăc(din)DǾACc(din)AB=10cmBC=4cmtADL(zhng)飨

          A.2cm B.3cm C.4cm D.6cm

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)µ3.5(x)棩 x}

          2013•P(gun)^(q)һģҰI(yng)(dng)УСһεFƤһKcFƤΠСͬӺһ@K?zi)ڡ偡УСďεFƤDʾxеһFƤһKcxFƤΠСͬӺһ󣬌һȻ󌢃СKҲڡ偡УxУ

          A.1N B.2N C.3N D.4N

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉(j)µ3.5(x)棩 x}

          1998•ϾҪy(c)Ӄɰ(du)ăc(din)ABľxABĴBFȡc(din)CDʹCD=BCٶBFĴDEʹACEһlֱϣDʾfEDCաABCED=AB˜y(c)EDL(zhng)ABL(zhng)жEDCաABCǡ(dng)?sh)ǣ?

          A.߅߅ B.߅ C.߅߅߅ D.߅߅

           

          鿴𰸺ͽ>>

          ͬ(x)(c)