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          t@(g)(du)(du)Tgı(sh)λ(sh)

          A. 1919 B. 1920 C. 2019 D. 1920.5

          𰸡B

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          Ա}@M(sh)(j)λ(sh)20(sh)19.

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          ĿД(sh)W(xu) Դ

          }Ŀ}}ǣ
          A.(du)Ǿȵ߅Ǿ
          B.(du)Ǿഹֱ߅
          C.(du)Ǿƽֵ߅ƽ߅
          D.(du)Ǿഹֱƽֵ߅

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀһ(g)߅εÿ(g)Ƕ40t@(g)߅εһ(g)c(din)l(f)Ԯ____l(du)Ǿ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ\(yn)_ǣ

          A. a2a3=a6 B. a24=a6 C. a4a=a3 D. x+y2=x2+y2

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ֪x3ya+1P(gun)xyΆ(xing)ʽԇд(sh)ʽֵ

          1a2+2a+1 2a+12

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ^иʽ

          132

          1357(2)(2)4

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          13572 0172 019.

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀһ(g)(sh)Ľ^(du)ֵ5t@(g)(sh)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀһ(g)ƽȥһ(g)׺wΠt@(g)׺wܞ飺wAAF _Y(ji)̖(ho)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ^(du)ֵС3(sh)Ă(g)(sh)ǣ

          A. 2(g) B. 3(g) C. 4(g) D. 5(g)

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