现有用户?据一种href="//www.parkandroid.com/account/login/?next=/practice/polynomial-inequalities-problem-solving-easy/" 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/polynomial-inequalities-problem-solving-easy/">登录据/a>
现有用户?据一种href="//www.parkandroid.com/account/login/?next=/practice/polynomial-inequalities-problem-solving-easy/" 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/polynomial-inequalities-problem-solving-easy/">登录据/a>
如果据span class="katex"> X据/span>+据/span>y据/span>=据/span>2据/span>0.据/span>,最大值是多少据span class="katex"> 2据/span>X据/span>y据/span>还是据/p>
用于鸡舍的矩形墙壁是由a制成的据span class="katex"> 4.据/span>4.据/span>m据/span>丝网。让据span class="katex"> X据/span>是米的矩形较短的一面。如果是矩形的区域,据span class="katex"> 一种据/span>, 是据span class="katex"> 1据/span>2据/span>0.据/span>m据/span>2据/span>据据/span>一种据/span>据据/span>1据/span>2据/span>1据/span>m据/span>2据/span>, 然后据span class="katex"> X据/span>必须满足据span class="katex"> 一种据/span>据据/span>X据/span>据据/span>B.据/span>。什么是值据span class="katex"> 一种据/span>+据/span>B.据/span>还是据/p>
如果据span class="katex"> X据/span>和据span class="katex"> y据/span>是正数,什么是最小值据span class="katex"> (据/span>3.据/span>X据/span>+据/span>4.据/span>y据/span>)据/span>(据/span>X据/span>2据/span>7.据/span>+据/span>y据/span>4.据/span>)据/span>还是据/p>
哪个更大?据/p>
暗示:据/strong>让据span class="katex"> X据/span>=据/span>2据/span>2据/span>0.据/span>1据/span>5.据/span>。据/p>
什么是最大值据span class="katex"> X据/span>满足不平等据span class="katex"> (据/span>X据/span>-据/span>6.据/span>)据/span>(据/span>X据/span>2据/span>-据/span>4.据/span>X据/span>+据/span>9.据/span>)据/span>≤.据/span>0.据/span>还是据/p>
问题加载......据/p>
注意加载......据/p>
设置加载......据/p>