GRE数学题目理解错误怎么办
<p> <span word="GRE">GRE</span>数学考试的易错点。<span word="GRE">GRE</span>数学题和中国学生平时参加的数学考试是截然不同的，如果考生对题目的英文表达不理解，那肯定会对做题产生障碍，所以参加<span word="GRE">GRE</span>考试的考生了解<span word="GRE">GRE</span>数学考试常常出错的地方，对自己的<span word="GRE">GRE</span>备考是十分有利的。</p><p> 1.<span word="GRE">GRE</span>数学考试错误之英文表达：</p><p> <span word="EX">EX</span>3：<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> 解析：前半个表达是4是-7到<span word="n">n</span>的<span word="distance">distance</span>,后面半个表达是18是7到11的<span word="distance">distance</span>，所以<span word="from">from</span>后面的是起点，列出式子：-7- <span word="n">n</span>=4, 7-<span word="n">n</span>=18，两个都解出来<span word="n">n</span>=-11。注意体会表达，<span word="a">a</span> <span word="distance">distance</span> 4=<span word="a">a</span> <span word="distance">distance</span> <span word="of">of</span> 4。</p><p> <span word="EX">EX</span>4：<span word="A">A</span> <span word="is">is</span> <span word="as">as</span> <span word="twice">twice</span> <span word="the">the</span> <span word="price">price</span> <span word="as">as</span> <span word="B">B</span></p><p> 解析：上式代表<span word="A">A</span>=2<span word="B">B</span>。类似的表达很容易理解错误，请大家多多在<span word="GRE">GRE</span>考试解题时注意总结。</p><p> 2. <span word="GRE">GRE</span>数学题错误之错误理解：</p><p> 在概率问题中只有独立事件才可以用<span word="P">P</span>=<span word="PP">PP</span>，比如下面：</p><p> <span word="EX">EX</span>5：<span word="The">The</span> <span word="probability">probability</span> <span word="of">of</span> <span word="the">the</span> <span word="occurrence">occurrence</span> <span word="of">of</span> <span word="matter">matter</span> <span word="A">A</span> <span word="is">is</span> 0.6 <span word="while">while</span> <span word="that">that</span> <span word="of">of</span> <span word="matter">matter</span> <span word="B">B</span> <span word="is">is</span> 0.7, <span word="what">what</span> <span word="s">s</span> <span word="the">the</span> <span word="probability">probability</span> <span word="of">of</span> <span word="the">the</span> <span word="coincidence">coincidence</span> <span word="of">of</span> <span word="A">A</span> <span word="and">and</span> <span word="B">B</span></p><p> 解析：<span word="A">A</span>和<span word="B">B</span>是否为独立事件，不知道，所以无法判断。</p><p> <span word="EX">EX</span>6：如果上题问<span word="A">A</span>和<span word="B">B</span>都不发生的概率呢?</p><p> 解析：<span word="A">A</span>不发生的概率是0.4,<span word="B">B</span>是0.3，所以他们的交集是0.3，所以答案应该是0.3。</p>
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