现有用户?据a href="//www.parkandroid.com/account/login/?next=/practice/counting-integers-in-a-range/" id="problem-login-link-alternative" class="btn-link ax-click" data-ax-id="clicked_login_from_generic_modal" data-ax-type="button" data-is_modal="true" data-next="/practice/counting-integers-in-a-range/">登录据/a>
现有用户?据a href="//www.parkandroid.com/account/login/?next=/practice/counting-integers-in-a-range/" id="problem-login-link-alternative" class="btn-link ax-click" data-ax-id="clicked_login_from_problem_modal" data-ax-type="button" data-is_modal="true" data-next="/practice/counting-integers-in-a-range/">登录据/a>
有多少整数据span class="katex"> N据/span>满足不平等据span class="katex"> 2据/span>2据/span>≤.据/span>N据/span>≤.据/span>4.据/span>9.据/span>还是据/p>
有多少整数大于或等于据span class="katex"> 9.据/span>8.据/span>6.据/span>但严格少于据span class="katex"> 1据/span>0.据/span>3.据/span>1据/span>还是据/span>
有多少整数据span class="katex"> N据/span>是否有令人满意的不平等据span class="katex-display"> 4.据/span>7.据/span>9.据/span>据据/span>N据/span>据据/span>5.据/span>5.据/span>9.据/span>还是据/span>
有多少正面2位数字,使得单位数字严格小于数十位?据/p>
细节和假设据/strong>
号码据span class="katex"> 1据/span>2据/span>=据/span>0.据/span>1据/span>2据/span>是一个2位数字,而不是3位数字。据/p>
问题加载......据/p>
注意加载......据/p>
设置加载......据/p>