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SAT数学代数考点复习

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  II ALGEBRA

  A Signed numbers

  1 absolute value

  2 Inequality and order of signed numbers

  3 Addition, subtraction, multiplication, division

  4 Order of operations

  5 Grouping symbols

  6 Evaluating algebraic expressions and formulas

  B. Properties of operations

  1 Commutative properties

  2 Associative properties

  3 Distributive properties

  4 Special properties of zero

  5 Special properties of one

  6 Additive and multiplicative inverses

  C Operations with polynomials

  1 Exponents and coefficients

  2 Addition and subtraction

  3 Multiplication

  4 Division

  D Equations in one variable

  1 Methods of solution

  2 Literal equations

  E Inequalities in one variable

  F Systems of equations and inequalities in two variables

  G. verbal problems

  1 number

  2 Consecutive integer

  3 Motion

  4 Coin

  5 Mixture

  6 Age

  7 Work

  3 Variation—direct and inverse

  H. Special products and factoring

  1 Common monomial factors

  2 Trinomials of the form ax2 + bx + c

  3 Difference of two squares

  4 Complete factoring I Algebraic fractions

  1 Simplifying fractions

  2 Multiplication

  3 Division

  4. Addition and subtraction

  a) Same denominators

  b) Different denominators

  5 Complex fractions

  6 Equations involving fractions

重点单词   查看全部解释    
slope [sləup]

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n. 倾斜,斜坡,斜面,斜线,斜率
vt. 使

 
variable ['vɛəriəbl]

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adj. 可变的,易变的
n. 变量,易变的东

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addition [ə'diʃən]

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n. 增加,附加物,加法

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additive ['æditiv]

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n. 附加物(加法) adj. 加添的

 
inequality [.ini'kwɔliti]

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n. 不平等,不平均,差异,多变性,不等式

 
complex ['kɔmpleks]

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adj. 复杂的,复合的,合成的
n. 复合体

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solution [sə'lu:ʃən]

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n. 解答,解决办法,溶解,溶液

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algebra ['ældʒibrə]

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n. 代数学

 
approximation [ə.prɔksi'meiʃən]

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n. 接近,近似,近似值

 
synthetic [sin'θetik]

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adj. 综合的,合成的,人造的
n. 人工制

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