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        1. 2013•麣ģijy(tng)Ӌ(j)n̵Ľ̎SC(j){(dio)xԓnһЩW(xu)rw(sh)(j)±˙z(yn)޽y(tng)Ӌ(j)I(y)ǷcԄeP(gun)ϵ(j)еĔ(sh)(j)õ2=
          50(1320-107)2
          23272030
          4.84
          ?yn)?SUP>23.841Ԕඨ޽y(tng)Ӌ(j)I(y)cԄeP(gun)ϵ@NДe(cu)Ŀߞ
          5%
          5%

                 I(y)
          Ԅe
          ǽy(tng)Ӌ(j)I(y) y(tng)Ӌ(j)I(y)
          13 10
          Ů 7 20
          PK2k 0.050 0.025 0.010 0.001
          k 3.841 5.024 6.635 10.828
          }֪(j)oĔ(sh)(j)õ^yֵ4.84Rֵп֪4.843.841(j)Rֵoĸʵõc}õĔ(sh)(j)(yng)ĸ0.05õY(ji)Փ
          ⣺}֪Д޽y(tng)Ӌ(j)I(y)ǷcԄeP(gun)ϵ
          (j)еĔ(sh)(j)õ2=
          50(1320-107)2
          23272030
          4.84

          X23.841
          RֵԵõPK23.841=0.05
          ж޽y(tng)Ӌ(j)I(y)cԄeP(gun)ϵ@NДe(cu)Ŀߞ0.05=5%
          ʴ𰸞飺5%
          c(din)u}骚(d)ԙz(yn)đ(yng)ã}һ(g)ʽ^·f}Ŀʡȥ^韩\(yn)lнo\(yn)ĽY(ji)}}P(gun)IǾԭ\(yn)D(zhun)ɌRֵoĸʵ⣬}һ(g)A(ch)}
          (x)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) Դ

          2013•麣ģO(sh)i̓(sh)λt(f)(sh)
          4+3i
          i
          ̓飨

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          2013•麣ģ֪(sh)f(x)=
          x2-ax+1
          4x-42x-a
          
          xa
          xa

          1xar(sh)fx1(sh)(sh)aȡֵ
          2a-4r(sh)(sh)fxڌ(sh)(sh)RСֵ(sh)(sh)aȡֵ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          2013•麣ģ֪A={x|-1-x2}B={x|-x0}tABڣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          2013•麣ģ֪
          a
          
          b
          M
          a
          b
          t(sh)f(x)=(
          a
          x+
          b
          )2(xR)
          ǣ

          鿴𰸺ͽ>>

          ͬ(x)Դ