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GRE数学常见符号整理
日期:2014-08-22 09:09

(单词翻译:单击)

+ plus ;positive
  - minus ;negative
  × multiplied by ;times
  ÷ divided by
  = equals
  ≈ approximately equals
  ≠ not equal to
  < less than
  > greater than
  ≤ equal to or less than
  ≥ equal to or greater than o
  ( ) round brackets ;parentheses
  [ ] square brackets
  { } braces
  ∈ is a member of the set
  ? is a subset of
  ∽ similar to
  ≌ congruent to
  * denotes an operation
  ∴ therefore
  ∵ because
  ∶ ratio sign, divided by, is to
  ∷ equals, as(proportion)
  ∥ parallel to
  ⊥ perpendicular to, at right angles with
  ∠ angle
  ∟ right angle
  o degree
  ′ minute
  ″ second
  ⊙ circle
  A?B arc AB
  e the base of natural logarithms,approx.2.71828
  x! factorial x, x(x-1)(x-2)---1
  lognx log x to the base n
  π pi
  lnx log x to the base e(natural logarithm)
  lgx log x to the base 10(common logarithm)
  |x| the absolute value of x
  以上就是新GRE数学符号英文注释的整理,这些常用符号在新GRE数学中经常出现,希望考生们能够认真背诵下来。同时经常进行新GRE数学题目的理解阅读,希望考生们取得理想的新GRE数学成绩。

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重点单词
  • circlen. 圈子,圆周,循环 v. 环绕,盘旋,包围
  • approximatelyadv. 近似地,大约
  • proportionn. 比例,均衡,部份,(复)体积,规模 vt. 使成比
  • negativeadj. 否定的,负的,消极的 n. 底片,负数,否定
  • basen. 基底,基础,底部,基线,基数,(棒球)垒,[化]碱
  • perpendicularn. 垂直线 adj. 垂直的,直立的,陡峭的
  • congruentadj. 合适的,一致的,全等的
  • parenthesesn. 圆括号(parenthesis的复数形式)
  • paralleladj. 平行的,相同的,类似的,并联的 n. 平行线(