### GRE数学符号大全及对应的英文单词

+   plus ;positive

-    minus ;negative

×   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 o

( )  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, is to

∷  equals, as(proportion)

√￣square root of

3√￣ cube root of

∥    parallel to

⊥   perpendicular to, at right angles with

∠    angle

∟   right angle

º   degree

′   minute

″   second

⊙   circle

A⁀B   arc AB

e   the base of natural logarithms,approx.2.71828

x!   factorial x, x(x-1)(x-2)---1

lognx   log x to the base n

π   pi

lnx   log x to the base e(natural logarithm)

lgx   log x to the base 10(common logarithm)

|x|   the absolute value of x

1、如转载本网原创文章，请表明出处;
2、本网转载媒体稿件旨在传播更多有益信息，并不代表同意该观点，本网不承担稿件侵权行为的连带责任;
3、如本网转载稿涉及版权等问题，请作者见稿后在两周内速来电与智思教育联系，电话：021-64325600。

GRE推荐课程