GRE数学：关于算术的重点试题（6）
<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> 1.<span word="On">On</span> <span word="a">a</span> <span word="certain">certain</span> <span word="number">number</span> <span word="line">line</span>, <span word="if">if</span>-7 <span word="is">is</span> <span word="a">a</span> <span word="distance">distance</span> 4 <span word="from">from</span> <span word="n">n</span> <span word="and">and</span> 7 <span word="is">is</span> <span word="a">a</span> <span word="distance">distance</span> <span word="of">of</span> 18 <span word="from">from</span> <span word="n">n</span> <span word="then">then</span> <span word="n">n</span>=</p><p> <span word="A">A</span>.25</p><p> <span word="B">B</span>.11</p><p> <span word="C">C</span>.3</p><p> <span word="D">D</span>.-3</p><p> <span word="E">E</span>.-11</p><p> 答案：<span word="E">E</span></p><p> 2. <span word="Which">Which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="equations">equations</span> <span word="can">can</span> <span word="be">be</span> <span word="used">used</span> <span word="to">to</span> <span word="find">find</span> <span word="the">the</span> <span word="value">value</span> <span word="of">of</span> <span word="x">x</span> <span word="if">if</span> 7 <span word="less">less</span> <span word="than">than</span> 5<span word="x">x</span> <span word="is">is</span> 5 <span word="more">more</span> <span word="the">the</span> <span word="product">product</span> <span word="of">of</span> 3 <span word="and">and</span> <span word="x">x</span>?</p><p> <span word="A">A</span>.5<span word="x">x</span>-7=5+3<span word="x">x</span></p><p> <span word="B">B</span>.5<span word="x">x</span>-7=5+</p><p> <span word="C">C</span>.7-5<span word="x">x</span>=5+3<span word="x">x</span></p><p> <span word="D">D</span>.7-5<span word="x">x</span>=<span word="x">x</span></p><p> <span word="E">E</span>.7-5<span word="x">x</span>+5=3<span word="x">x</span></p><p> 答案：<span word="A">A</span></p><p> 3.<span word="On">On</span> <span word="a">a</span> <span word="number">number</span> <span word="line">line</span>, <span word="the">the</span> <span word="distance">distance</span> <span word="between">between</span> <span word="the">the</span> <span word="two">two</span> <span word="points">points</span> <span word="with">with</span> <span word="coordinates">coordinates</span> -5 <span word="and">and</span> 1 <span word="is">is</span> <span word="how">how</span> <span word="much">much</span> <span word="less">less</span> <span word="than">than</span> <span word="the">the</span> <span word="distance">distance</span> <span word="between">between</span> <span word="the">the</span> <span word="two">two</span> <span word="points">points</span> <span word="with">with</span> <span word="coordinates">coordinates</span> 2 <span word="and">and</span> 14?</p><p> <span word="A">A</span>.6</p><p> <span word="B">B</span>.8</p><p> <span word="C">C</span>.10</p><p> <span word="D">D</span>.12</p><p> <span word="E">E</span>.16</p><p> 答案：<span word="A">A</span></p><p> 4.<span word="The">The</span> <span word="expression">expression</span> <span word="is">is</span> <span word="equivalent">equivalent</span> <span word="to">to</span> <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span>?</p><p> 2<span word="x">x</span>-3 </p><p> 2<span word="x">x</span>2-12</p><p> <span word="A">A</span>. <span word="only">only</span></p>
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