[问答题]<p><span style="color: rgb(255, 0, 0);"><strong>四、【应用题】</strong></span></p><p><span style="color: rgb(255, 0, 0);"><span style="color: rgb(0, 0, 0);"><img src="/VOD/UF/image/20190819/6370180408812317593740606.png" title="image.png" alt="image.png"/></span><strong><br/></strong></span></p><p><span style="color: rgb(255, 0, 0);"><span style="color: rgb(0, 0, 0);"><img src="/VOD/UF/image/20190819/6370180411202957899338482.png" title="image.png" alt="image.png"/></span></span></p><p><span style="color: rgb(255, 0, 0);"><span style="color: rgb(0, 0, 0);"><img src="/VOD/UF/image/20190819/6370180412701404989526653.png" title="image.png" alt="image.png"/><img src="/VOD/UF/image/20190819/6370180413706098917790838.png" title="image.png" alt="image.png"/></span></span></p>
解析:<p><img src="/VOD/UF/image/20190819/6370180415381109634406952.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180415962363357430286.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180416681117959168712.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180417448310369591806.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180418985820203194657.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180420723331324453163.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370180421473336126161871.png" title="image.png" alt="image.png"/></p>