&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-left:71.4pt&quot;&gt;&lt;span style=&quot;font-size:14.0pt;
line-height:115%;font-family:&amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;mso-ascii-theme-font:
major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi;
color:red&quot;&gt;Chapitre 3&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; les nombres
rationnels somme et diff&eacute;rence&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-left:88.8pt;text-indent:-88.8pt;
mso-text-indent-alt:-18.0pt;mso-list:l0 level1 lfo1&quot;&gt;&lt;!--[if !supportLists]--&gt;&lt;span style=&quot;font-size:14.0pt;font-family:&amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;mso-ascii-theme-font:
major-bidi;mso-fareast-font-family:&amp;quot;Times New Roman&amp;quot;;mso-fareast-theme-font:
major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi;
color:#1F497D;mso-themecolor:text2&quot;&gt;&lt;span style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: &amp;quot;Times New Roman&amp;quot;;&quot;&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;
&lt;/span&gt;III.&lt;span style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: &amp;quot;Times New Roman&amp;quot;;&quot;&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;
&lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span dir=&quot;LTR&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-size:
14.0pt;font-family:&amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;mso-ascii-theme-font:major-bidi;
mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi;color:#1F497D;
mso-themecolor:text2&quot;&gt;La somme de plusieurs nombres rationnels&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-left:88.8pt;text-indent:0cm&quot;&gt;&lt;span style=&quot;font-size:14.0pt;font-family:&amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;mso-ascii-theme-font:
major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi;
color:#1F497D;mso-themecolor:text2&quot;&gt;Exercice d&rsquo;application&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;





&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-left:88.8pt;text-indent:0cm&quot;&gt;&lt;span style=&quot;font-size:14.0pt;font-family:&amp;quot;Times New Roman&amp;quot;,&amp;quot;serif&amp;quot;;mso-ascii-theme-font:
major-bidi;mso-hansi-theme-font:major-bidi;mso-bidi-theme-font:major-bidi;
color:#1F497D;mso-themecolor:text2&quot;&gt;17&amp;nbsp;;18 page 39&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;