GRE数学符号和常用的数学表达方式
文章作者 100test 发表时间 2007:02:25 20:17:19
来源 100Test.Com百考试题网
GRE/GMAT数学符号和常用的数学表达方式
数学试题中常用的数学符号总结如下：
SYMBOL MEANING
=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
rightangle
┻ is perpendicular
│x│ absolute value of x
∥ is parallel to
△ triangle
～ is similar to
≌ is congruent to
△x delta x
AB �
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