新版gre数学复习重要考点：Evaluating Expressions
<p> 俗话说：工欲善其事必先利其器。很多参加了新版<span word="gre">gre</span>考试的同学都觉得数学有点难度，相信这其中的原因还是由于考生在新版<span word="gre">gre</span>数学复习时没有把基础打牢。如果新版<span word="gre">gre</span>数学基本考点都没有复习到，如何能拿到分数呢?所以说，想要新版<span word="gre">gre</span>数学考好，复习的时候一定要把基本概念和重要考点都弄扎实。</p><p> 今天针对新版<span word="gre">gre</span>数学复习，小编给大家整理的是关于<span word="Evaluating">Evaluating</span> <span word="Expressions">Expressions</span>的相关内容，这些概念在考试中一定会考到的。希望考生能再接再厉，取得一个好成绩，突破新版<span word="gre">gre</span>数学难的困境。</p><p> 新版<span word="gre">gre</span>数学复习重要考点：<span word="Evaluating">Evaluating</span> <span word="Expressions">Expressions</span></p><p> <span word="To">To</span> <span word="evaluate">evaluate</span> <span word="an">an</span> <span word="expression">expression</span>, <span word="plug">plug</span> <span word="in">in</span> <span word="the">the</span> <span word="specific">specific</span> <span word="values">values</span> <span word="for">for</span> <span word="the">the</span> <span word="variables">variables</span> <span word="and">and</span> <span word="simplify">simplify</span>.</p><p> <span word="Example">Example</span></p><p> <span word="For">For</span> <span word="x">x</span>=2, <span word="the">the</span> <span word="expression">expression</span> 3<span word="x">x</span>+5 <span word="evaluates">evaluates</span> <span word="to">to</span> 32+5=11.</p><p> <span word="For">For</span> <span word="x">x</span>=2 <span word="and">and</span> <span word="y">y</span>=1, <span word="the">the</span> <span word="expression">expression</span> <span word="xy">xy</span>/ <span word="evaluates">evaluates</span> <span word="to">to</span> 21/=2/3.</p><p> <span word="For">For</span> <span word="x">x</span>=2, <span word="the">the</span> <span word="expression">expression</span> 4<span word="yx">yx</span>/ <span word="evaluates">evaluates</span> <span word="to">to</span> 8<span word="y">y</span>/.</p><p> <span word="Remember">Remember</span></p><p> <span word="After">After</span> <span word="evaluation">evaluation</span> <span word="the">the</span> <span word="expression">expression</span> <span word="does">does</span> <span word="not">not</span> <span word="contain">contain</span> <span word="the">the</span> <span word="variable">variable</span> <span word="in">in</span> <span word="any">any</span> <span word="form">form</span>.</p><p> </p>
页:
[1]