SAT数学题目符号的表达方式
日期:2011-12-21 16:58
(单词翻译:单击)
下面为大家整理的是关于SAT数学题目中各种符号的表达方式的,包括了常见的各类符号。SAT数学题目的出题方式非常独特,需要大家在备考的时候对各类符号都有所了解,才能准确的理解题目的含义。下面我们来看看详细内容吧。
+ | 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 |
以上就是关于SAT数学题目中符号的表达方式,非常详细。大家可以在备考自己的SAT数学考试的时候,对此加以集中式的记忆,这样就能在备考中进行实际的应用,也就能更加的得心应手了。
重点单词