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
