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      2. GRE數(shù)學(xué)考試符號介紹

        時間:2021-01-10 18:15:42 GRE考試 我要投稿

        關(guān)于GRE數(shù)學(xué)考試符號介紹

          GRE數(shù)學(xué) 考試符號介紹

        關(guān)于GRE數(shù)學(xué)考試符號介紹

          + 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數(shù)學(xué)常用符號英文注釋的整理,這些常用符號在新GRE數(shù)學(xué)中經(jīng)常出現(xiàn),希望考生們能夠認真背誦下來。

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