国产激情久久久久影院小草_国产91高跟丝袜_99精品视频99_三级真人片在线观看

GRE之新GRE數(shù)學(xué)考試重點(diǎn)介紹

時(shí)間:2020-12-25 16:29:37 GRE考試 我要投稿

GRE必備之新GRE數(shù)學(xué)考試重點(diǎn)介紹

  自從新GRE改革以來(lái),新GRE考試無(wú)論是在寫作、語(yǔ)文上還是數(shù)學(xué)上都有了很大的變化,以下便是新GRE數(shù)學(xué)考試重點(diǎn)介紹。

GRE必備之新GRE數(shù)學(xué)考試重點(diǎn)介紹

  新版GRE數(shù)學(xué)復(fù)習(xí)重要考點(diǎn):Sum of Arithmetic ProGREssion

  The sum of n-numbers of an arithmetic proGREssion is given by

  S=nxdn/2

  where x is the first number and d is the constant increment.

  example:

  sum of first 10 positive odd numbers:101+2109/2=10+90=100

  sum of first 10 multiples of 7 starting at 7: 107+7109/2=70+315=385

  remember:

  For a descending AP the constant difference is negative.

  由于美國(guó)數(shù)學(xué)基礎(chǔ)教育的難度增加導(dǎo)致數(shù)學(xué)考試越來(lái)越難,但新GRE數(shù)學(xué)復(fù)習(xí)考點(diǎn)都是高中時(shí)候?qū)W到的知識(shí)點(diǎn),考生不要過(guò)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(wèn)題。

  AP

  Average of n numbers of arithmetic proGREssion is the average of the

  smallest and the

  largest number of them. The average of m number can also be written as

  x + d/2.

  Example:

  The average of all integers from 1 to 5 is /2=3

【GRE必備之新GRE數(shù)學(xué)考試重點(diǎn)介紹】相關(guān)文章:

新GRE數(shù)學(xué)考試策略12-31

GRE考試之新GRE填空技巧11-16

新GRE數(shù)學(xué)考試策略欣賞12-30

GRE數(shù)學(xué)考試方法介紹09-17

GRE考試經(jīng)驗(yàn)之新GRE考試備考建議01-05

新GRE數(shù)學(xué)考試常用術(shù)語(yǔ)整理01-05

新GRE數(shù)學(xué)考試單詞問(wèn)題分析12-30

新gre考試技巧之閱讀11-12

關(guān)于GRE數(shù)學(xué)考試符號(hào)介紹01-11