优朗英语 aeas数学高频词汇表1 AEAS 数学词汇一：常见符号＋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 3cube root of ∥parallel to ⊥perpendicular to, at right angles with ∠angle ∟right angle odegree ′minute ″second ⊙circle A? Barc AB e the base of natural logarithms,approx.2.71828 x! factorial x, x(x-1)(x-2)---1 优朗英语 aeas数学高频词汇表2 log nxlog x to the base n πpi lnx log x to the base e(natural logarithm) lgx log x to the base 10(common logarithm) |x| the absolute value of x 二： 常见几何计算公式平面图形的周长和面积：Perimeter Area Triangle 三边之和(底×高 )/2 Square 边长× 4 边长的平方Rectangle (长+宽 )×2 长×宽Parallelogram (长+宽 )×2 底×高Trapezoid 四边之和(上底 +下底 )×高 /2 Rhombus 边长× 4 两条对角线之积的1/2 Circle 2π r=π dπ r2立体图形的表面积和体积Volume Surface Area Rectangular Prism 长×宽×高2(长×宽 +长×高 +宽×高 ) Cube 棱长的立方6×棱长×棱长Right Circular Cylinder π r2h2π r h( 侧)+ 2π r2(底) *Sphere 4π r3/34π r2Right Circular Cone π r2h/3lr/2 (l 为母线 ) 附录：SAT 数学考试速查词汇A Abscissa 横坐标absolute value 绝对值account for （数量）占acute angle 锐角acute triangle 锐角三角形Add 加 add to Addition 加，加法Adjacent 相邻adjacent angles 邻角Algebra 代数学algebraic expression 代数式algebraic fraction 分式algebraic term 代数项优朗英语 aeas数学高频词汇表3 Aliquot 除得尽数Aliquant 除不尽数alternate angles 内...
