考试宝典：SSAT数学考试常用词汇汇总

2014年06月24日 02:05
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±	plus or minus
× ;˙	times or mutiply
÷	divide
－ ; /	divide, such as a/b

=	equals, is equal to
≠	does not equal, is not equal to
＜	is less than
＞	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
ab	subscript, for descriptive discrimination

%	percent
\| \|	absolute value
~	similar, is similar to

ㄥ	angle, as in ㄥA or ㄥABC
mㄥ	measure 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