新GRE数学词汇手册

2022-05-23 05:52:53

  新

  主要符号

  + 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 se

  t ? is a subset of

  ? similar to

  ? congruent to

  * denotes an operation

  ∴ therefore

  ∵ because

  ∶ ratio sign, divided by, is to

  ∷

  equals, as(proportion)

  square root of 3

  cube root of

  ∥ parallel to

  ⊥ perpendicular to, at right angles with

  ∠ angle

  ∟ right angle

  ? 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

  以上就是为大家整理的“新GRE数学词汇手册”,希望通过上述内容的学习,大家能够更好地备考


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