推荐GRE数学复习要点:Term
<p> 新<span word="gre">gre</span>数学的难度相当于高中数学水平，只要大家认真复习，在新<span word="gre">gre</span>数学考试中拿高分甚至拿满分都是很有可能的。不过大家也不能忽略新<span word="gre">gre</span>数学中可能会出现的考点难点。下面，就为大家整理新<span word="GRE">GRE</span>数学复习要点:<span word="Term">Term</span>，希望对大家有所帮助。</p><p> <span word="Term">Term</span></p><p> <span word="A">A</span> <span word="product">product</span> <span word="of">of</span> <span word="coefficients">coefficients</span> <span word="and">and</span> <span word="any">any</span> <span word="number">number</span> <span word="of">of</span> <span word="variables">variables</span> <span word="with">with</span> <span word="exponents">exponents</span> <span word="is">is</span> <span word="called">called</span> <span word="a">a</span> <span word="term">term</span>. <span word="Terms">Terms</span> <span word="that">that</span> <span word="have">have</span> <span word="the">the</span> <span word="same">same</span> <span word="variables">variables</span> <span word="with">with</span> <span word="identical">identical</span> <span word="exponents">exponents</span> <span word="for">for</span> <span word="each">each</span> <span word="variables">variables</span> <span word="are">are</span> <span word="called">called</span> <span word="like">like</span> <span word="terms">terms</span>.</p><p> <span word="Example">Example</span>:</p><p> 3<span word="x">x</span>,<span word="axy">axy</span>,4<span word="x">x</span>2<span word="yz">yz</span> <span word="are">are</span> <span word="terms">terms</span>. 3<span word="x">x</span>+2 <span word="is">is</span> <span word="not">not</span> <span word="term">term</span>: <span word="it">it</span> <span word="is">is</span> <span word="a">a</span> <span word="sum">sum</span> <span word="of">of</span> <span word="two">two</span> <span word="terms">terms</span>.</p><p> 3<span word="x">x</span>2<span word="y">y</span> <span word="and">and</span> 7<span word="x">x</span>2<span word="y">y</span> <span word="are">are</span> <span word="like">like</span> <span word="terms">terms</span> <span word="since">since</span> <span word="both">both</span> <span word="have">have</span> <span word="the">the</span> <span word="same">same</span> <span word="variables">variables</span> <span word="x">x</span> <span word="and">and</span> <span word="y">y</span> <span word="with">with</span> <span word="identical">identical</span> <span word="exponents">exponents</span>: 2 <span word="for">for</span> <span word="x">x</span> <span word="and">and</span> 1 <span word="for">for</span> <span word="y">y</span>.</p><p> <span word="Remember">Remember</span>:</p><p> <span word="There">There</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="any">any</span> <span word="addition">addition</span> <span word="or">or</span> <span word="subtraction">subtraction</span> <span word="in">in</span> <span word="a">a</span> <span word="single">single</span> <span word="term">term</span>.</p><p> <span word="Since">Since</span> <span word="multiplication">multiplication</span> <span word="is">is</span> <span word="associative">associative</span>, <span word="rearrangements">rearrangements</span> <span word="of">of</span> <span word="variables">variables</span> <span word="does">does</span> <span word="not">not</span> <span word="change">change</span> <span word="a">a</span> <span word="term">term</span>:3<span word="xy">xy</span> <span word="is">is</span> <span word="same">same</span> <span word="as">as</span> 3<span word="yx">yx</span>.</p><p> 3<span word="x">x</span>2<span word="y">y</span> <span word="and">and</span> 7<span word="xyx">xyx</span> <span word="are">are</span> <span word="like">like</span> <span word="terms">terms</span>.</p><p> 应对<span word="gre">gre</span>数学考试的时候，考生不要过于紧张，把基本概念弄明白，再记住一些新版<span word="gre">gre</span>数学必备的词汇，那么相信新版<span word="gre">gre</span>数学应该没有问题。</p><p> </p><p> </p>
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