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新GRE数学全部考点及解析(19)

   新GRE数学考试要求的是中学的数学知识,考生们对于新GRE数学上面来说还是比较有把握,不过说到具体的GRE数学考点要求就不一定这么清楚。下面就为大家介绍新GRE数学考点及这些GRE数学考点解析,帮助考生们系统的复习一遍新GRE数学,梳理整合新GRE数学考试所需要的知识。

  GRE考试数学考点:Adding Monomials

  To add two monomials of the same variables just add the coefficients.

  Only two like monomials can be added together.

  Example:

  By adding 3x and 4x, we get (3+4)x=7x.

  By adding 3xy+2xy, we get (3+2)xy=5xy.

  By adding as and bx, we get ax+bx=(a+b)x.

  Remember:

  Monomials can be added only if they have the same variables with identical powers.

  GRE考试数学考点:Algebraic Expression

  One or many terms connected by algebraic operations is called an algebraic expression. The operations between the terms must be valid to yield an expression.

  Example

  (3x+5),(ax2+c),and (xy+a)(x+y) are all algebraic expressions.

  (2x+5)+·(3x) is not an expression since + followed by· is not a valid sequence of operations.

  Remember

  There is no=sign in an expression.

  以上就是新GRE数学考点及GRE数学考点解析的介绍,希望这些知识点的介绍可以帮助大家复习新GRE数学,为大家复习新GRE数学提供条件。希望考生们认真复习新GRE数学考试,能够取得自己理想的成绩。无忧也会不断的为大家分享更多有助于考生们复习考试的新GRE考试材料及技巧。