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            跳舞的原因童話故事

            時間:2025-07-26 11:38:53 [第七單元]編一個童話故事 我要投稿

            跳舞的原因童話故事

              GRE數學 考試符號介紹

            跳舞的原因童話故事

              + 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數學常用符號英文注釋的整理,這些常用符號在新GRE數學中經常出現,希望考生們能夠認真背誦下來。

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