SSAT考试数学常用词汇汇总

　　今天小编给大家分享一些SSAT考试数学常用词汇汇总,下面我们一起来看看把!

　　± 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

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