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實(shí)用文檔>新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

時(shí)間:2024-06-05 16:17:59

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

  gre考試分為寫作、閱讀和數(shù)學(xué)等多個(gè)部分,出國(guó)gre頻道根據(jù)gre考試題型構(gòu)成,為各位考生提供了這幾個(gè)方向的復(fù)習(xí)資料,歡迎大家參考借鑒。

  新GRE數(shù)學(xué)考試要求的是中學(xué)的數(shù)學(xué)知識(shí),考生們對(duì)于新GRE數(shù)學(xué)上面來(lái)說(shuō)還是比較有把握,不過(guò)說(shuō)到具體的GRE數(shù)學(xué)考點(diǎn)要求就不一定這么清楚。下面就為大家介紹新GRE數(shù)學(xué)考點(diǎn)及這些GRE數(shù)學(xué)考點(diǎn)解析,幫助考生們系統(tǒng)的復(fù)習(xí)一遍新GRE數(shù)學(xué),梳理整合新GRE數(shù)學(xué)考試所需要的知識(shí)。

  GRE考試數(shù)學(xué)考點(diǎn):Subtracting Monomials

  Subtracting Monomials

  To subtract a monomial from another of the same variables just subtract the coefficients. Only two like monomials can be subtracted from each other.

  Example:

  By subtracting 3x from 4x, we get (4-3)x=x.

  By subtracting 3xy from 2xy, we get (2-3)xy=-xy.

  By subtracting bx from ax, we get ax-bx=(a-b)x.

  Remember:

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

  GRE考試數(shù)學(xué)考點(diǎn):Combinations of Choices

  Combinations of Choices

  If there are n choices for one type and m choices for second type, then number of combinations for both types is the product of choices:n*m.

  Example:

  If there are 3 kinds of breads to choose from and 4 kinds of meats, then we can make 3*4=12 different sandwiches.

  If an alphabet has 26 letters, then the number of possible 2 letter word is 26*26=676.All of them may not be vaild words.

  Remember:

  Do not add the choices to get the total combinations.

  The product rule can be applied to more than two types of choices: if there are 3 kinds of breads, 4 kinds of meats, and 6 kinds of cheeses, then we can make 3*4*6=72 different sandwiches.

  以上就是新GRE數(shù)學(xué)考點(diǎn)及GRE數(shù)學(xué)考點(diǎn)解析的介紹,希望這些知識(shí)點(diǎn)的介紹可以幫助大家復(fù)習(xí)新GRE數(shù)學(xué),為大家復(fù)習(xí)新GRE數(shù)學(xué)提供條件。希望考生們認(rèn)真復(fù)習(xí)新GRE數(shù)學(xué)考試,能夠取得自己理想的成績(jī)。

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新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

新GRE數(shù)學(xué)考點(diǎn)總結(jié)例題解析

  gre考試分為寫作、閱讀和數(shù)學(xué)等多個(gè)部分,出國(guó)gre頻道根據(jù)gre考試題型構(gòu)成,為各位考生提供了這幾個(gè)方向的復(fù)習(xí)資料,歡迎大家參考借鑒。

  新GRE數(shù)學(xué)考試要求的是中學(xué)的數(shù)學(xué)知識(shí),考生們對(duì)于新GRE數(shù)學(xué)上面來(lái)說(shuō)還是比較有把握,不過(guò)說(shuō)到具體的GRE數(shù)學(xué)考點(diǎn)要求就不一定這么清楚。下面就為大家介紹新GRE數(shù)學(xué)考點(diǎn)及這些GRE數(shù)學(xué)考點(diǎn)解析,幫助考生們系統(tǒng)的復(fù)習(xí)一遍新GRE數(shù)學(xué),梳理整合新GRE數(shù)學(xué)考試所需要的知識(shí)。

  GRE考試數(shù)學(xué)考點(diǎn):Subtracting Monomials

  Subtracting Monomials

  To subtract a monomial from another of the same variables just subtract the coefficients. Only two like monomials can be subtracted from each other.

  Example:

  By subtracting 3x from 4x, we get (4-3)x=x.

  By subtracting 3xy from 2xy, we get (2-3)xy=-xy.

  By subtracting bx from ax, we get ax-bx=(a-b)x.

  Remember:

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

  GRE考試數(shù)學(xué)考點(diǎn):Combinations of Choices

  Combinations of Choices

  If there are n choices for one type and m choices for second type, then number of combinations for both types is the product of choices:n*m.

  Example:

  If there are 3 kinds of breads to choose from and 4 kinds of meats, then we can make 3*4=12 different sandwiches.

  If an alphabet has 26 letters, then the number of possible 2 letter word is 26*26=676.All of them may not be vaild words.

  Remember:

  Do not add the choices to get the total combinations.

  The product rule can be applied to more than two types of choices: if there are 3 kinds of breads, 4 kinds of meats, and 6 kinds of cheeses, then we can make 3*4*6=72 different sandwiches.

  以上就是新GRE數(shù)學(xué)考點(diǎn)及GRE數(shù)學(xué)考點(diǎn)解析的介紹,希望這些知識(shí)點(diǎn)的介紹可以幫助大家復(fù)習(xí)新GRE數(shù)學(xué),為大家復(fù)習(xí)新GRE數(shù)學(xué)提供條件。希望考生們認(rèn)真復(fù)習(xí)新GRE數(shù)學(xué)考試,能夠取得自己理想的成績(jī)。