GRE數(shù)學(xué)復(fù)習(xí)要點(diǎn):Term
新gre數(shù)學(xué)的'難度相當(dāng)于高中數(shù)學(xué)水平，只要大家認(rèn)真復(fù)習(xí)，在新gre數(shù)學(xué)考試中拿高分甚至拿滿分都是很有可能的。不過大家也不能忽略新gre數(shù)學(xué)中可能會(huì)出現(xiàn)的考點(diǎn)難點(diǎn)。下面，就為大家整理新GRE數(shù)學(xué)復(fù)習(xí)要點(diǎn):Term，希望對(duì)大家有所幫助。
Term
A product of coefficients and any number of variables with exponents is called a term. Terms that have the same variables with identical exponents for each variables are called like terms.
Example:
3x,axy,4x2yz are terms. 3x+2 is not term: it is a sum of two terms.
3x2y and 7x2y are like terms since both have the same variables x and y with identical exponents: 2 for x and 1 for y.
Remember:
There cannot be any addition or subtraction in a single term.
Since multiplication is associative, rearrangements of variables does not change a term:3xy is same as 3yx.
3x2y and 7xyx are like terms.
應(yīng)對(duì)gre數(shù)學(xué)考試的時(shí)候，考生不要過于緊張，把基本概念弄明白，再記住一些新版gre數(shù)學(xué)必備的詞匯，那么相信新版gre數(shù)學(xué)應(yīng)該沒有問題。
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