gre考试数学难题汇总(6)
<p> <span word="gre">gre</span>考试数学难题一直都是考生在<span word="gre">gre</span>考试中需要突破的关卡，那么为何<span word="gre">gre</span>考试数学难题会难倒很多考生呢?其实，如果<span word="gre">gre</span>考生平时多注意一些<span word="gre">gre</span>考试数学难题的积累，相信考试的时候也就不会束手无策了。</p><p> 61. 还有9^17/8^17 与 9^17+5^9/8^17+5^9 比较大小</p><p> 62. 圆表題1﹕一个饼圆表支持<span word="x">x</span>,<span word="y">y</span> 的百分比﹐另一个表示支持者收入的百分比﹕3000,58%; 3000-5000,24%;5000,18%.</p><p> <span word="Q">Q</span>1:支持<span word="y">y</span> 且收入5000 的最大百分比</p><p> <span word="Q">Q</span>2:罗马数字题</p><p> 1.收入的<span word="mean">mean</span>3000</p><p> 2.收入的<span word="mean">mean</span> 不能计算出</p><p> 3忘了﹐但不对</p><p> 选了<span word="D">D</span></p><p> 63. 圆表題2﹕列出了几年的<span word="labor">labor</span> <span word="force">force</span> 数﹐及<span word="labor">labor</span> <span word="force">force</span> <span word="in">in</span> <span word="farming">farming</span> 的比例，有一體問第一年和最后一年<span word="labor">labor</span> <span word="force">force</span> <span word="in">in</span> <span word="farming">farming</span> 的人數的變化﹐算出來發現沒有可以選的，可能理解有誤，遇到時大家仔細，另一題簡單。</p><p> 64. <span word="n">n</span>=2<span word="k">k</span>=3<span word="m">m</span>, 问<span word="n">n</span>^2 和6<span word="km">km</span> 的大小。</p><p> 65. 有一组数<span word="S">S</span>1,<span word="S">S</span>2,<span word="S">S</span>3,<span word="Sn">Sn</span>, 其中<span word="S">S</span>1=1, <span word="Sn">Sn</span>+1= -<span word="Sn">Sn</span>,，问<span word="S">S</span>14 和<span word="S">S</span>20 谁大。</p><p> 66. 画了一个坐标图，有四个点，<span word="P">P</span>，<span word="Q">Q</span>, <span word="R">R</span>, <span word="S">S</span>,问四边形<span word="PQRS">PQRS</span> 的面积。</p><p> 67. 又一个图，一个三角形<span word="ABC">ABC</span>, <span word="O">O</span> 是三条角分线的交点，角<span word="BAO">BAO</span>=<span word="y">y</span>, 角<span word="OBC">OBC</span>=<span word="x">x</span>,角<span word="OCB">OCB</span>=24,问/2 与33 谁大。</p><p> 68. 已知<span word="x">x</span>/<span word="y">y</span>=7/3，问/2 和12 谁大。</p>
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