GRE数学考试重要的符号整理
GRE数学考查的内容覆盖面很广,知识点也比较多,想要拿到高分成绩,那么大家在平时的备考中,也要讲究一定的方法,每个部分都需要好好掌握。为了帮助大家高效备考GRE数学部分,智课网小编为大家带来了GRE数学考试的复习材料,希望对大家备考有所帮助!
+ 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 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)
∥ 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 l**arithms,approx.2.71828
x! factorial x, x(x-1)(x-2)---1
l**nx l** x to the base n
π pi
lnx l** x to the base e(natural l**arithm)
lgx l** x to the base 10(common l**arithm)
|x| the absolute value of x
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