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gre考试数学常见符号英文表达方式

  以下为gre考试数学常见符号的英文表达方式,考试时这些符号很有可能用英文表示,所以考生一定要知道其表达含义。

  ???   =?? is equal to

  ????≠ ??is not equal to

  ????≈ ??is approximately equal to

  ????> ??is greater than

  ????≥ ??is greater than or equal to

  ????< ??is less than

  ????≤ ??is less than or equal to/square root

  ????0.8 the repeating decimal 0.888…

  ????r s't“ r degrees s minutes t seconds

  ????∠???angle

  ????right?angle

  ????┻ ??is perpendicular

  ????│x│ ?absolute value of x

  ????∥ ??is parallel to

  ????△ ??triangle

  ????~ ??is similar to

  ????≌ ??is congruent to

  ????△x ??delta x

  ????AB ??arc ?AB

  ????π ??pi(3.1415…)

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