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新GRE數(shù)學(xué)考點(diǎn):Total Members.

2017/08/09 06:58:16 編輯: 瀏覽次數(shù):126 移動(dòng)端

  今天針對(duì)新gre數(shù)學(xué)復(fù)習(xí),小編給大家整理的是關(guān)于Total Members的相關(guān)內(nèi)容,這些概念在考試中一定會(huì)考到的。希望考生能再接再厲,取得一個(gè)好成績(jī),突破新gre數(shù)學(xué)難的困境。

  獲得更多留學(xué)知識(shí) 請(qǐng)咨詢澳際免費(fèi)在線顧問

  Total Members

  Sometimes there are members that do not belong to either set A or B.In that case the total number of members=Size A+Size B-Number of common members+Number of members not in A or B.

  Example:

  In an office, 35 people drink coffee, 27 drink tea, 12 drink both, and 4 drink neither. The total number of people in the office = 35+27-12+4=54.

  In a class of 40 students, 20 study algebra, 15 study geometry, 8 study both.The total number of students that do not study either=40-(20+15-8)=13.

  Remember:

  This is a relation between five numbers, and any one can be calculated given the other four.

  俗話說:“工欲善其事必先利其器”。有一部分考生認(rèn)為新GRE數(shù)學(xué)具有一定的難度,這其中的原因是由于考生在復(fù)習(xí)時(shí)沒有把新gre數(shù)學(xué)的基礎(chǔ)打牢。想要新gre數(shù)學(xué)考好,復(fù)習(xí)的時(shí)候一定要把基本概念和重要考點(diǎn)都弄扎實(shí)。

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