新gre数学重要考点：Subtracting Monomials
<p> 2014新<span word="gre">gre</span>考试实施以来，不仅对写作部分茫然不知所措，就连我们所擅长的数学也甚是担忧，相信这其中的原因还是由于考生在新<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="Subtracting">Subtracting</span> <span word="Monomials">Monomials</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> <span word="Subtracting">Subtracting</span> <span word="Monomials">Monomials</span></p><p> <span word="To">To</span> <span word="subtract">subtract</span> <span word="a">a</span> <span word="monomial">monomial</span> <span word="from">from</span> <span word="another">another</span> <span word="of">of</span> <span word="the">the</span> <span word="same">same</span> <span word="variables">variables</span> <span word="just">just</span> <span word="subtract">subtract</span> <span word="the">the</span> <span word="coefficients">coefficients</span>. <span word="Only">Only</span> <span word="two">two</span> <span word="like">like</span> <span word="monomials">monomials</span> <span word="can">can</span> <span word="be">be</span> <span word="subtracted">subtracted</span> <span word="from">from</span> <span word="each">each</span> <span word="other">other</span>.</p><p> <span word="Example">Example</span>:</p><p> <span word="By">By</span> <span word="subtracting">subtracting</span> 3<span word="x">x</span> <span word="from">from</span> 4<span word="x">x</span>, <span word="we">we</span> <span word="get">get</span> <span word="x">x</span>=<span word="x">x</span>.</p><p> <span word="By">By</span> <span word="subtracting">subtracting</span> 3<span word="xy">xy</span> <span word="from">from</span> 2<span word="xy">xy</span>, <span word="we">we</span> <span word="get">get</span> <span word="xy">xy</span>=-<span word="xy">xy</span>.</p><p> <span word="By">By</span> <span word="subtracting">subtracting</span> <span word="bx">bx</span> <span word="from">from</span> <span word="ax">ax</span>, <span word="we">we</span> <span word="get">get</span> <span word="ax">ax</span>-<span word="bx">bx</span>=<span word="x">x</span>.</p><p> <span word="Remember">Remember</span>:</p><p> <span word="Monomials">Monomials</span> <span word="can">can</span> <span word="be">be</span> <span word="subtracted">subtracted</span> <span word="only">only</span> <span word="if">if</span> <span word="they">they</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="powers">powers</span>.</p><p> 由于美国数学基础教育的难度增加导致数学考试越来越难，但新<span word="gre">gre</span>数学复习考点都是高中时候学到的知识点，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>
页:
[1]