GRE数学精华题型解析
<p> <span word="GRE">GRE</span>数学考试常见题型的解题技巧有哪些呢?以下将为大家深入分析<span word="GMAT">GMAT</span>数学考试常见题型的解题策略和技巧，希望能够为考生备战<span word="GMAT">GMAT</span>数学考试带来帮助。</p><p> 一些概念</p><p> 独立事件：<span word="independent">independent</span> <span word="event">event</span> <span word="A">A</span>,<span word="B">B</span>共同发生的概率=<span word="A">A</span>发生发生的概率<span word="B">B</span>发生的概率</p><p> 互斥事件：<span word="mutual">mutual</span> <span word="exclusive">exclusive</span> <span word="event">event</span> <span word="A">A</span>发生的概率+<span word="B">B</span>发生的概率=<span word="A">A</span> <span word="or">or</span> <span word="B">B</span>发生的概率</p><p> 标准差： = 標準差</p><p> 項數標準差,若各项同時增加或減少某數,例如加5,則標準差不變</p><p> 項數標準差,若各项同時增加或減少某比例,例如5%,則標準差會等比增加或減少</p><p> 公理：两个数的乘积=其最大公约数最小公倍数</p><p> 区分概念单词：</p><p> <span word="Quadrilateral">Quadrilateral</span> 四边形</p><p> <span word="Parallelogram">Parallelogram</span> 平行四边形</p><p> 余数的算法</p><p> 余数的计算：</p><p> 1. 余数可以加减： <span word="mod">mod</span> <span word="q">q</span>=+) <span word="mod">mod</span> <span word="q">q</span></p><p> 2. 余数可以相乘：<span word="MN">MN</span>除以<span word="q">q</span>的余数，就等于<span word="M">M</span>除以<span word="q">q</span>的余数 乘以 <span word="N">N</span>除以<span word="q">q</span>的余数，再求余数：<span word="MN">MN</span> <span word="mod">mod</span> <span word="q">q</span>= <span word="mod">mod</span> <span word="q">q</span></p><p> 3. <span word="N">N</span>^<span word="m">m</span> 除以<span word="q">q</span>的余数：先求<span word="N">N</span>除以9的余数，然后相乘后再求余数：</p><p> <span word="M">M</span>^<span word="n">n</span> <span word="mod">mod</span> <span word="q">q</span> =^<span word="n">n</span> <span word="mod">mod</span> <span word="q">q</span></p><p> 只要我们尽量把计算中的余数凑成与1相关的乘式</p>
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