GRE数学：关于算术的重点试题（4）
<p> <span word="gre">gre</span>考试改革后，很多考生都觉得题难，如果觉得复习<span word="GRE">GRE</span>数学考试比较难不妨从这些题目练习开始，每篇都是按照分类给大家列举了一些典型题目，本篇主要是针对<span word="gre">gre</span>数学考试算术方面的典型题目及答案。</p><p> 31.<span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="different">different</span> <span word="prime">prime</span> <span word="factors">factors</span> <span word="of">of</span> 48</p><p> <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="different">different</span> <span word="prime">prime</span> <span word="factors">factors</span> <span word="of">of</span> 72</p><p> 答案：<span word="C">C</span></p><p> 32.<span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="different">different</span> <span word="positive">positive</span> <span word="divisors">divisors</span> <span word="of">of</span> 12</p><p> <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="different">different</span> <span word="positive">positive</span> <span word="divisors">divisors</span> <span word="of">of</span> 50</p><p> 答案：<span word="C">C</span></p><p> 33.<span word="The">The</span> <span word="number">number</span> <span word="that">that</span> <span word="is">is</span> <span word="as">as</span> <span word="much">much</span> <span word="greater">greater</span> <span word="than">than</span> 63 <span word="as">as</span> <span word="it">it</span> <span word="is">is</span> <span word="less">less</span> <span word="than">than</span> 101</p><p> 84</p><p> 答案：<span word="B">B</span></p><p> 34. <span word="A">A</span> <span word="K">K</span>-<span word="number">number</span> <span word="is">is</span> <span word="a">a</span> <span word="positive">positive</span> <span word="integer">integer</span> <span word="with">with</span> <span word="the">the</span> <span word="special">special</span> <span word="property">property</span> <span word="that">that</span> 3 <span word="times">times</span> <span word="its">its</span> <span word="units">units</span> <span word="digit">digit</span> <span word="is">is</span> <span word="equal">equal</span> <span word="to">to</span> 2 <span word="times">times</span> <span word="its">its</span> <span word="tensdigit">tensdigit</span>.</p><p> <span word="The">The</span> <span word="number">number</span> <span word="of">of</span> <span word="K">K</span>-<span word="numbers">numbers</span> <span word="between">between</span> 10 <span word="and">and</span> 99</p><p> 答案：<span word="C">C</span></p><p> 35.<span word="Of">Of</span> <span word="the">the</span> <span word="following">following</span> <span word="which">which</span> <span word="is">is</span> <span word="greatest">greatest</span>?</p><p> <span word="A">A</span>.1/2</p><p> <span word="B">B</span>.7/15</p><p> <span word="C">C</span>.49/100</p><p> <span word="D">D</span>.126/250</p><p> <span word="E">E</span>.1999/4000</p><p> 答案：<span word="D">D</span></p><p> 36.<span word="If">If</span> <span word="n">n</span>=<span word="pqr">pqr</span>, <span word="where">where</span> <span word="p">p</span>,<span word="q">q</span>, <span word="and">and</span> <span word="r">r</span> <span word="are">are</span> <span word="three">three</span> <span word="different">different</span> <span word="positive">positive</span> <span word="prime">prime</span> <span word="numbers">numbers</span>, <span word="how">how</span> <span word="many">many</span> <span word="different">different</span> <span word="positive">positive</span> <span word="divisors">divisors</span> <span word="does">does</span> <span word="n">n</span> <span word="have">have</span>, <span word="including">including</span> 1 <span word="and">and</span> <span word="n">n</span>?</p><p> <span word="A">A</span>.3</p>
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