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如何打好GMAT数学基础介绍

时间:2021-07-02 12:18:06 数学 我要投稿

如何打好GMAT数学基础介绍

  数学的复习是我们GMAT考试的.重点,我们复习GMAT数学的时候要重点关注我们的基础。基础对于数学来说实在是太重要了,GMAT入门的同学如何准备数学呢?小编这就给大家分享一下:

如何打好GMAT数学基础介绍

  一.整数:integer,whole number

  1.因子:factor or divisor

  If x and y are integers and x0,x is a divisor of y provided that y=xn for some integer n. In this case y is also said to be divisible by x or to be a multiple of x. For example, 7 is a divisor or factor of 28 since 28=7 4, but 8 is not a divisor of 28 since there is no integer n such that 28=8n.Divisible adj.可以被整除的  multiple n.倍数

  2.商和余数:quotients and remainders

  余数和商都可以为0

  3.奇数和偶数:odd and even integers

  奇数和偶数都可以是负数;零一定是偶数

  4.质数和合数:prime numbers and composite numbers

  A prime number is a positive integer that has exactly two different positive divisors,1 and itself. For example, 2,3,5,7,11, and 13 are prime numbers, but 15 is not, since 15 has four different positive divisors, 1, 3, 5, and 15. The number 1 is not a prime number, since it has only one positive divisor. Every integer greater than 1 is either prime or can be uniquely expressed as a product of prime factors. For example, 14= , 81= , and 484= .

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