2),(1,4),(1,5),(4,5)}<br />
{(1,2),(2,3),(2,4),(3,4)}<br />
{(1,2),(2,3),(2,5),(3,5)}<br />
{(1,2),(2,4),(2,5),(4,5)}<br />
{(1,2),(3,4),(3,5),(4,5)}<br />
{(1,3),(2,4),(3,5),(4,5)}<br />
{(1,3),(2,5),(3,4),(4,5)}<br />
{(1,4),(2,3),(3,5),(4,5)}<br />
{(1,4),(2,5),(3,4),(3,5)}<br />
{(1,5),(2,3),(3,4),(4,5)}<br />
{(1,5),(2,4),(3,4),(3,5)}</span></div></code></pre></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">数据范围与提示</h4><