同学们复习GRE考试的时候要注意,在数学上有一些标点符号特别值得我们注意。想要考到不错的GRE分数,我们就必须注意一下这些细节知识。做GRE数学题的时候我们要特别的留意一下,下面小编给大家具体的介绍一些:
GRE数学部分用到的主要符号
+ 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)
∥ 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
上述就是小编总结的GRE考试中的细节,同学们如果想要得到不错的GRE分数,那么这些细节知识一定要掌握。所以希望同学们多做一些GRE数学题,多掌握一些考试技巧,祝大家考试复习顺利。
n. 基底,基础,底部,基线,基数,(棒球)垒,[化]碱