&lt;p&gt;&lt;span style=&quot;font-weight: bolder; color: rgb(113, 116, 141);&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 12 page 160&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;br&gt;&lt;/p&gt;