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        1. }ĿУʏVvِУ 9 W(xu)ӛQِQِKɿ(j)ͬеһW(xu)Ҫ֪ԼܷM(jn)ǰ5 HҪ˽Լijɿ(j)߀Ҫ˽@9 W(xu)ɿ(j)ģ

          A.(sh)B.C.ƽ(sh)D.λ(sh)

          𰸡D

          9˳ɿ(j)λ(sh)ǵ5ijɿ(j)ِxҪ֪ԼǷM(jn)ǰ5ֻҪ˽Լijɿ(j)Լ@9 W(xu)ɿ(j)λ(sh)^ɣ

          ⣺ڿ9(g)ijɿ(j)ͬ5ijɿ(j)λ(sh)ҪДǷM(jn)ǰ5HҪ˽Լijɿ(j)߀Ҫ˽@9 W(xu)ɿ(j)λ(sh)

          xD

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

          ĿД(sh)W(xu) Դ

          }Ŀ֪|a+3|c|b1|෴(sh)tʽa2b2ֵ________

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ(xing)ʽ12x12y3c8x10y6Ĺʽ________

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          ĿД(sh)W(xu) Դ

          }Ŀ|{(ln)Zں42124ոýwwP(gun)|@CBAZP(gun)_(d)81000ƪ(sh)(j)81000ÿƌW(xu)ӛ(sh)ʾ飨

          A. 0.81104 B. 0.81106 C. 8.1104 D. 8.1106

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          ĿД(sh)W(xu) Դ

          }Ŀa=-5,a+b+c=-5.2(sh)ʽa2(-b-c)-3.2a(c+b)ֵ

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          ĿД(sh)W(xu) Դ

          }ĿЈDČ(du)QDS(du)QDεǣ

          A. B. ߅ C. A D. ƽ߅

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          ĿД(sh)W(xu) Դ

          }ĿP(gun)ڔ(sh)Sĸ_ǣ

          A.(sh)Sһlֱ;

          B.(sh)Sλԭc(din)ăɂ(c)ҵԭc(din)xȵc(din)ʾĔ(sh)෴(sh)

          C.(sh)Sϵc(din)ֻܱʾ픵(sh)

          D.(sh)Sϱʾăɂ(g)(sh)߅Ĕ(sh)߅С

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          ĿД(sh)W(xu) Դ

          }Ŀ0෴(sh)0;0ĵ(sh)0;һ(g)(sh)Ľ^(du)ֵؓ(f)(sh);(3.8)෴(sh)3.8;(sh)(sh)ؓ(f)(sh);0С픵(sh).f,_( )

          A.1(g)B.2(g)C.3(g)D.4(g)

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          ĿД(sh)W(xu) Դ

          }ĿcףһнУ70ͩһW(xu)˾ļo(j)£|(zh)Ҫ700. 25t픵(sh)дСϸ( )

          A.69.70B.70.30C.70.51D.69.80

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