SSAT数学考试常用词汇整理

　　下面是小编为大家整理的SSAT数学考试常用词汇整理，希望能够帮助大家更好的备考SSAT考试，祝大家能够取得好成绩。

　　±plus or minus

　　× ;˙times 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