GRE数学模拟题测试分析
<p> 下面为大家整理了新<span word="GRE">GRE</span>数学模拟题，备考过程中，<span word="GRE">GRE</span>模拟题的练习是必不可少的一个环节，合理的安排复习时间，有效的运用<span word="GRE">GRE</span>模拟题练习，可以帮助考生在新<span word="GRE">GRE</span>考试中拿到高分。</p><p> 下面是新<span word="GRE">GRE</span>数学模拟练习题，参加<span word="GRE">GRE</span>考试的考生可以好好的练习一下这些<span word="GRE">GRE</span>模拟题。</p><p> 1. 从1,2,3,4,5,6,7,8,9中选出三个数字组成一个三位数,这个三位数的<span word="digits">digits</span>中有两个相同,另一个<span word="digit">digit</span>与其它两个都不同,问共有多少个这样的三位数?</p><p> 72</p><p> 144</p><p> 180</p><p> 216</p><p> 54</p><p> 2. 符合 <span word="X">X</span>^2+<span word="Y">Y</span>^2=100的整数解共有多少对?</p><p> 3. <span word="A">A</span> <span word="box">box</span> <span word="contains">contains</span> 100 <span word="balls">balls</span>, <span word="numbered">numbered</span> <span word="from">from</span> 1 <span word="to">to</span> 100. <span word="If">If</span> <span word="three">three</span> <span word="balls">balls</span> <span word="are">are</span> <span word="selected">selected</span> <span word="at">at</span> <span word="random">random</span> <span word="and">and</span> <span word="with">with</span> <span word="replacement">replacement</span> <span word="from">from</span> <span word="the">the</span> <span word="box">box</span>,<span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="probability">probability</span> <span word="that">that</span> <span word="the">the</span> <span word="sum">sum</span> <span word="of">of</span> <span word="the">the</span> <span word="three">three</span> <span word="numbers">numbers</span> <span word="on">on</span> <span word="the">the</span> <span word="balls">balls</span> <span word="selected">selected</span> <span word="from">from</span> <span word="the">the</span> <span word="box">box</span> <span word="will">will</span> <span word="be">be</span> <span word="odd">odd</span>?</p><p> 1/4</p><p> 3/8</p><p> 1/2</p><p> 5/8</p><p> 3/4</p><p> 4. <span word="Right">Right</span> <span word="triangle">triangle</span> <span word="PQR">PQR</span> <span word="is">is</span> <span word="to">to</span> <span word="be">be</span> <span word="constructed">constructed</span> <span word="in">in</span> <span word="the">the</span> <span word="xy">xy</span>-<span word="plane">plane</span> <span word="so">so</span> <span word="that">that</span> <span word="the">the</span> <span word="right">right</span> <span word="angle">angle</span> <span word="is">is</span> <span word="at">at</span> <span word="P">P</span> <span word="and">and</span> <span word="PR">PR</span> <span word="is">is</span> <span word="parrallel">parrallel</span> <span word="to">to</span> <span word="the">the</span> <span word="x">x</span>-<span word="axis">axis</span>. <span word="The">The</span> <span word="x">x</span>-<span word="and">and</span> <span word="y">y</span>-<span word="coordinates">coordinates</span> <span word="of">of</span> <span word="P">P</span>,<span word="Q">Q</span>,<span word="and">and</span> <span word="Rare">Rare</span> <span word="to">to</span> <span word="be">be</span> <span word="integers">integers</span> <span word="that">that</span> <span word="satisfy">satisfy</span> <span word="the">the</span> <span word="inequalities">inequalities</span> -4=5,6=16,<span word="how">how</span> <span word="many">many</span> <span word="different">different</span> <span word="triangles">triangles</span> <span word="with">with</span> <span word="these">these</span> <span word="properties">properties</span> <span word="could">could</span> <span word="be">be</span> <span word="constructed">constructed</span>?</p>
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