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        1. 2012•hģMɾdꖳl(f)ɶijһ܇\;ͣ܇վǣdꖡ_SSꖡVh׽¶ɶôҪ@܇܇ƱһУ

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

           

          D

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


          ܇Ʊ(sh)=7+6+5+4+3+2+1=28N

          xD

          (x)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ[ͬ]2014˽̰Д(sh)W(xu)꼉µڶʮ29.3(x)棩 x}

          2014•ˮDʾҕDҕDҕDĂwҕD

          A. B. C. D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉ϵ3.1(x)棩 x}

          иʽϴ(sh)ʽҎ(gu)ǣ

          A. B.a3 C.3x1 D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉ϵһ1.3(x)棩 x}

          һƽȥ؈AFDβǣ

          A. B. C. D.

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉ϵ4.1(x)棩 x}

          2013•һģ20121226վVFȫͨ܇һڱ͏VݵĻ܇;Ҫ(jng)^ʯfhLɳվF·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)꼉ϵ4.1(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)꼉ϵ4.2(x)棩 x}

          2014•LɳDCDǾABϵăcDǾACcAB=10cmBC=4cmtADL飨

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

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉µ3.5(x)棩 x}

          2013•P(gun)^(q)һģҰIУСһεFƤһKcFƤΠСͬӺһ@K?zi)ڡ偡УСďεFƤDʾxеһFƤ偣һKcxFƤΠСͬӺһ󣬌һȻ󌢃СKҲڡ偡УxУ

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

           

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ[ͬ]2014걱Д(sh)W(xu)꼉µ3.5(x)棩 x}

          1998•ϾҪyӃɰăcABľxABĴBFȡcCDʹCD=BCٶBFĴDEʹACEһlֱϣDʾfEDCաABCED=AB˜yEDLABLжEDCաABCǡ(dng)?sh)ǣ?

          A.߅߅ B.߅ C.߅߅߅ D.߅߅

           

          鿴𰸺ͽ>>

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