&lt;p style=&quot;color: rgb(113, 116, 141);&quot;&gt;&lt;span style=&quot;color: rgb(0, 176, 80); font-family: &amp;quot;Times New Roman&amp;quot;, serif; font-size: 24px; font-weight: 700;&quot;&gt;J'observe 2:&lt;/span&gt;&lt;span style=&quot;font-weight: bolder; color: rgb(0, 0, 0);&quot;&gt;&lt;span style=&quot;font-size: 18pt; line-height: 36px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: rgb(0, 176, 80);&quot;&gt;&lt;br&gt;&lt;/span&gt;&lt;/span&gt;&lt;br&gt;&lt;/p&gt;&lt;p class=&quot;MsoNormal&quot; style=&quot;color: rgb(113, 116, 141); line-height: 21px;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 18pt; line-height: 36px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: rgb(0, 176, 80);&quot;&gt;Exercice 1 page 120 :&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;