新东方网为同学们整理了GRE数学考试：符号表达，供考生参考学习。

　　+plus

　　-minus

　　*multiplied by ;times

　　÷divided by

　　=equals

　　≈approximately equals

　　≠not equal to

　　>GREater than

　　≤equal to or less than

　　≥equal to or GREater than

　　()round brack ;parentheses

　　[]square brack

　　{ }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)

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