新版GRE数学复习重要考点：Term

本文为大家介绍的GRE数学复习考点是“Term”。

新版GRE数学复习重要考点：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.

以上的内容大家一定要好好掌握，在考试的时候发挥出自己应有的水平。 

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