GRE数学备考时,首先同学们要打好基础,包括一些基本的知识点、词汇、公式、定理等等,都要大家能够熟悉掌握,下面智课网给大家提供的内容就是GRE数学备考重点手册【主要符号】,一起来熟记下来吧!

  主要符号:

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

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

  本文是智课网给大家带来的GRE数学备考重点手册【主要符号】,熟练掌握下来吧,对大家以后考试会有很大帮助的!


展开显示全文