📄 200810191659023614.doc
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New Roman"'>的方程</span><span
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SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>的两个根,且</span><span
style=3D'mso-bidi-font-size:9.0pt'> </span><span lang=3DEN-US><span
style=3D'position:relative;top:6.0pt;mso-text-raise:-6.0pt'><!--[if gte vml=
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amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>≤</span><s=
pan
lang=3DEN-US><span style=3D'position:relative;top:6.0pt;mso-text-raise:-6.0=
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pan><!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
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</xml><![endif]--></span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'> </span><=
span
lang=3DEN-US>(<i style=3D'mso-bidi-font-style:normal'>k </i></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>=</span><span lang=3DEN-US>1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>,</span><span lang=3DEN-US>2</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>,</span><span lang=3DEN-US>3</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>,…</span><span lang=3DEN-US>)</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>.</span><span lang=3DEN-US style=3D'mso-bidi-font=
-size:
9.0pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'text-indent:10.5pt;mso-char-indent-count:1.0;
mso-line-height-alt:0pt'><span style=3D'mso-bidi-font-size:9.0pt;font-famil=
y:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>(</span><!--[if supportFields]><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-element:=
field-begin'></span>
=3D 1 \* ROMAN <span style=3D'mso-element:field-separator'></span></span><!=
[endif]--><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-no-proof=
:yes'>I</span></span><!--[if supportFields]><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-element:=
field-end'></span></span><![endif]--><span
style=3D'mso-bidi-font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:=
"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>)</span><span style=3D'font=
-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>求</span><span
lang=3DEN-US><span style=3D'position:relative;top:6.0pt;mso-text-raise:-6.0=
pt'><!--[if gte vml 1]><v:shape
id=3D"_x0000_i1031" type=3D"#_x0000_t75" style=3D'width:57pt;height:18pt' =
o:ole=3D"">
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src=3D"file6814.files/image014.gif" v:shapes=3D"_x0000_i1031"><![endif]></s=
pan><!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
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</xml><![endif]--></span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>及</span><=
span
lang=3DEN-US><span style=3D'position:relative;top:6.0pt;mso-text-raise:-6.0=
pt'><!--[if gte vml 1]><v:shape
id=3D"_x0000_i1032" type=3D"#_x0000_t75" style=3D'width:17.25pt;height:18p=
t' o:ole=3D"">
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</v:shape><![endif]--><![if !vml]><img width=3D23 height=3D24
src=3D"file6814.files/image016.gif" v:shapes=3D"_x0000_i1032"><![endif]></s=
pan><!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
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</xml><![endif]--><span style=3D'mso-spacerun:yes'> </span>(<i
style=3D'mso-bidi-font-style:normal'>n</i></span><span style=3D'font-family=
:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>≥</span><span
lang=3DEN-US>4)(</span><span style=3D'font-family:SimSun;mso-ascii-font-fam=
ily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>不必=
证明</span><span
lang=3DEN-US>)</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>;</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:9.0pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'text-indent:10.5pt;mso-char-indent-count:1.0'=
><span
style=3D'mso-bidi-font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:=
"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>(</span><!--[if supportFiel=
ds]><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-element:=
field-begin'></span>
=3D 2 \* ROMAN <span style=3D'mso-element:field-separator'></span></span><!=
[endif]--><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-no-proof=
:yes'>II</span></span><!--[if supportFields]><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'mso-element:=
field-end'></span></span><![endif]--><span
style=3D'mso-bidi-font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:=
"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>)求数列</=
span><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'position:rel=
ative;
top:7.0pt;mso-text-raise:-7.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i=
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y:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>的前</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'position:rel=
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top:3.0pt;mso-text-raise:-3.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i=
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</xml><![endif]--></span><span style=3D'mso-bidi-font-size:9.0pt;font-famil=
y:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>项和</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:9.0pt'><span style=3D'position:rel=
ative;
top:6.0pt;mso-text-raise:-6.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1=
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</v:shape><![endif]--><![if !vml]><img width=3D24 height=3D24
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y:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>.</span><span
lang=3DEN-US><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p>
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