GRE數(shù)學(xué)符號(hào)英文表達(dá)

字號(hào):


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    + plus
    - minus
    * 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
    ()
    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
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