美国高中入学考试SSAT数学考试常用词汇汇总如下

美国高中入学考试SSAT数学考试常用词汇汇总如下：±plus or minus

×;·t imes or mutiply

÷divide

- ; / divide, such as a/b

= equals, is equal to

≠does not equal, is not equal to

> is greater than

≦is less than or equal to

≧is greater than or equal to

<> is not equal to; is less than or greater than

: is to, as in proportions, a : b as c : d

- - - between numerais or letters, shows omission of some numerals or letters at the end of a series or esquence shows "and so no"

√positive square root

n的次方根nth root

! factorial

指数exponent, use a as a factor b times

absubscript, for descriptive discrimination

% percent

| | absolute value

~ similar, is similar to

ㄥangle, as in ㄥA or ㄥABC

mㄥmeasure of angle

直角right angle; is perpendicular to

⊙circle

弧形arc

△triangle

正三角equilateral triangle

等腰三角isosceles triangle

直角三角right triangle

□square

四边形quadrilateral

平行四边形parallelogram

梯形trapezoid

( x , y ) coordinates of a point in a plane

( x , y , z ) coordinates of a point in space

∴therefore

$ dollar sign

￠cent sign

( ) parentheses, shows order of operations

[ ] brackets, shows order of operations

{ } braces, shows order of operations; also shows members of a set, when empty shows empty set

圆周Circumference

面积area

直径diameter

半径radius

周边;周长perimeter

次方power

根(数) root

长length

宽width

高height

基数;底边base