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. H(ji)W(xu)УԷڵdzijͬW(xu)ؑHСԊ(sh)ͬoT܇վer(sh)Z(y)ǧf(wn)W(xu)ӝMdȥϸѱϣ߀ÿvSʾH͌W(xu)M(jn)xҵľxMStʾxҵĕr(sh)gôcԊ(sh)ǵĈD
           
          B
          _⺯(sh)D󼴿ɵó𰸣
          𣺽⣺ͬoT܇վH̓ӵĺ(sh)Dһ_ʼĕr(sh)(yng)ԓһӣ
          xB
          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) (li)ԴԔ }

          С}M12֣D֪һκ(sh)ykxbĈD󽻷(sh)
          ĈDc(din)ABxSc(din)C
          (1)mȡֵ
          (2)c(din)A(bio)(24)mֵһκ(sh)Ľʽ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ x}

          tк(sh)
          Sĺ(sh)У
          A٢ڢ BڢۢC٢ڢD٢ۢ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ }

          A(a,b)ڵڶ޵Ľƽ־,acbP(gun)ϵ          .

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ x}

          Dһκ(sh)y=ax+bĈDcxSySABc(din)c(sh)ĈDཻCDc(din)քe^CDc(din)ySxSĴEFBCFDEнY(ji)Փ١CEFcDEFeEFCDۡDCEաCDFAC=BDݡCEFe_Ă(g)(sh)У  

          A2            B3            C4            D5

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ x}

          (sh)׃xȡֵǣ   
          Ax1Bxݣ1Cx1Dxܣ1

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ }

          ں(sh)׃ȡֵ______________

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ }

          (sh)׃xȡֵ                .

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)ԴԔ }

          11Rݣڔ(sh)Sϱʾ5c(din)ԭc(din)ľx_    

          鿴𰸺ͽ>>

          ͬ(x)(c)