数学是GMAT考试最需要掌握细节的部分，因为我们了解的GMAT数学难度并不大。但是细节着实很多，很多GMAT入门的考生忽视了标点符号的英文表达。这里就给大家详细的介绍一些常用符号的英文表达：
+ 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
