[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/20190819/6370182276335207165624005.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/20190819/6370182277477401976901453.png" title="image.png" alt="image.png"/></span></span></p>
解析:<p><img src="/VOD/UF/image/20190819/6370182278469595826735332.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182279128975045588028.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182280093043712910115.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182280691485044647835.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182281685241403412787.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182282519621748762354.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182284872761806174795.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182285608704011925779.png" title="image.png" alt="image.png"/></p><p><img src="/VOD/UF/image/20190819/6370182286508709779376229.png" title="image.png" alt="image.png"/></p><p><br/></p>