智课网SAT备考资料
常用符号英语表达方汇总
智课网小编为大家提供了SAT数学常用符号的英语表达方式汇总。SAT数学考试需要大家在备考的时候对各类符号及其英文表达方式都有所了解，才能准确的理解题目的含义。因此下面的内容一定会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 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
正则化英文∟ right angle
o degree
′ minute
″ second
⊙ circle
A?B arc AB
e the base o
f 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

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