📄 例6-10.mht
字号:
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>求最大公约数。=
</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>分析:</span><span style=3D'font-famil=
y:
SimSun;mso-hansi-font-family:"Times New Roman"'>用“辗$=
716;相除法”</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>求</span><span style=3D'font-family:SimSun;mso-han=
si-font-family:
"Times New Roman"'>最大公约数的方=
法为:<span
lang=3DEN-US><o:p></o:p></span></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:SimSun;mso-han=
si-font-family:
"Times New Roman"'><span style=3D'mso-spacerun:yes'> </sp=
an></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>①</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>以大=
数</span><span
lang=3DEN-US>m</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>作被除数&#=
65292;小数</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>做除数,&#=
30456;除后余数为</span><span
lang=3DEN-US>r</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>②</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>若</span><=
span
lang=3DEN-US>r </span><span style=3D'font-family:SimSun;mso-hansi-font-fami=
ly:"Times New Roman"'>≠</span><span
lang=3DEN-US> 0</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,则</span><span
lang=3DEN-US>m </span><span style=3D'font-family:SimSun;mso-hansi-font-fami=
ly:"Times New Roman"'>←
</span><span lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>,</span><=
span
lang=3DEN-US>n </span><span style=3D'font-family:SimSun;mso-hansi-font-fami=
ly:"Times New Roman"'>←
</span><span lang=3DEN-US>r</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>,继=
续相除得到新的</span><span
lang=3DEN-US>r</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。若仍有</=
span><span
lang=3DEN-US>r </span><span style=3D'font-family:SimSun;mso-hansi-font-fami=
ly:"Times New Roman"'>≠</span><span
lang=3DEN-US> 0</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,则重复&#=
27492;过程,直到</span><span
lang=3DEN-US>r =3D 0</span><span style=3D'font-family:SimSun;mso-ascii-font=
-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>为止=
。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>③</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>最后=
的</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>就是最大&#=
20844;约数。</span></p>
<p class=3DMsoNormal><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>设计步骤如下:=
</span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:0pt'><span lang=3DEN-US><=
span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>①</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>建立=
用户界面和设置对象=
3646;性,如图</span><span
lang=3DEN-US>6-12</span><span style=3D'font-family:SimSun;mso-ascii-font-fa=
mily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>所示=
。</span></p>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lang=
=3DEN-US
style=3D'mso-font-kerning:0pt;mso-no-proof:yes'><!--[if gte vml 1]><v:shape=
type
id=3D"_x0000_t75" coordsize=3D"21600,21600" o:spt=3D"75" o:preferrelative=
=3D"t"
path=3D"m@4@5l@4@11@9@11@9@5xe" filled=3D"f" stroked=3D"f">
<v:stroke joinstyle=3D"miter"/>
<v:formulas>
<v:f eqn=3D"if lineDrawn pixelLineWidth 0"/>
<v:f eqn=3D"sum @0 1 0"/>
<v:f eqn=3D"sum 0 0 @1"/>
<v:f eqn=3D"prod @2 1 2"/>
<v:f eqn=3D"prod @3 21600 pixelWidth"/>
<v:f eqn=3D"prod @3 21600 pixelHeight"/>
<v:f eqn=3D"sum @0 0 1"/>
<v:f eqn=3D"prod @6 1 2"/>
<v:f eqn=3D"prod @7 21600 pixelWidth"/>
<v:f eqn=3D"sum @8 21600 0"/>
<v:f eqn=3D"prod @7 21600 pixelHeight"/>
<v:f eqn=3D"sum @10 21600 0"/>
</v:formulas>
<v:path o:extrusionok=3D"f" gradientshapeok=3D"t" o:connecttype=3D"rect"/>
<o:lock v:ext=3D"edit" aspectratio=3D"t"/>
</v:shapetype><v:shape id=3D"_x0000_i1025" type=3D"#_x0000_t75" style=3D'wi=
dth:134.4pt;
height:100.8pt'>
<v:imagedata src=3D"file1408.files/image001.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D179 height=3D134
src=3D"file1408.files/image002.jpg" v:shapes=3D"_x0000_i1025"><![endif]><sp=
an
style=3D'mso-spacerun:yes'> </span><span
style=3D'mso-spacerun:yes'> </span><!--[if gte vml 1]><v:shape id=3D"_=
x0000_i1026"
type=3D"#_x0000_t75" style=3D'width:134.4pt;height:100.8pt'>
<v:imagedata src=3D"file1408.files/image003.png" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D179 height=3D134
src=3D"file1408.files/image004.jpg" v:shapes=3D"_x0000_i1026"><![endif]><o:=
p></o:p></span></p>
<h6><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roma=
n";
mso-hansi-font-family:Roman'>图</span><span lang=3DEN-US>6-12<span
style=3D'mso-spacerun:yes'> </span></span><span style=3D'font-family:=
SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:Roman'>ஷ=
2;户界面和设置属性</span></=
h6>
<p class=3DMsoNormal style=3D'mso-line-height-alt:0pt'><span lang=3DEN-US><=
span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>②</span> <span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>编写=
事件代码。</span></p>
<p class=3DMsoNormal style=3D'mso-line-height-alt:0pt'><span lang=3DEN-US><=
span
style=3D'mso-spacerun:yes'> </span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>编写“计算”命&#=
20196;按钮</span><span
lang=3DEN-US style=3D'mso-bidi-font-weight:bold'>Command1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>的</span><span lang=3DEN-US>Click</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>(单击)事件代=
码:</span></p>
<p class=3Da><b style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US>Pr=
ivate Sub
Command1_<span class=3DGramE>Click()</span><o:p></o:p></span></b></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>Dim m <span
class=3DGramE>As</span> Integer, n As Integer</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>m =3D <span
class=3DGramE>Val(</span>Text1.Text)</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>n =3D <span
class=3DGramE>Val(</span>Text2.Text)</span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> </s=
pan>If m
< n Then </span></p>
<p class=3Da><span lang=3DEN-US><span style=3D'mso-spacerun:yes'> &nbs=
p;
</span>t =3D m: m =3D n: n =3D t<span
style=3D'mso-spacerun:yes'> </spa=
n><span
style=3D'mso-tab-count:1'> </span><span style=3D'ms=
o-tab-count:
1'> </span><span
style=3D'mso-tab-count:1'> =
</span>'
</span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New R=
oman";
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