AEAS专区-数学逻辑
AEAS系列之五——福利大放送：澳洲AEAS数学考试必备高频词汇！！！
数学考试一般是中国考生的强项，拿到高分并不是难事，但是前提是要看的懂题目，这篇小编给大家整理的都是数学考试中的必备词汇，在此附上数学类词汇快速翻阅词典~
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 |
| 3√ | cube root of |
| ∥ | parallel to |
| ⊥ | perpendicular to, at right angles with |
| ∠ | angle |
| ∟ | right angle |
| º | degree |
| ′ | minute |
| ″ | second |
| ⊙ | circle |
| A⁀B | arc AB |
| e | the base of natural logarithms,approx.2.71828 |
| x! | factorial x, x(x-1)(x-2)—1 |
| lognx | log x to the base n |
| π | pi |
| 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 | 2πr=πd | πr2 |
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 | πr2h | 2πr h(侧)+ 2πr2(底) |
| *Sphere | 4πr3/3 | 4πr2 |
| Right Circular Cone | πr2h/3 | lr/2 (l为母线) |
附录：
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 |
| Aliquot | 除得尽数 |
| Aliquant | 除不尽数 |
| alternate angles | 内错角 |
| Altitude | 高度 |
| Amount | 合计 |
| Angle | 角 |
| angle bisector | 角平分线 |
| Apex | 顶，顶点 |
| Apiece | 每人，每个 |
| Approximately | 近似的，大约的 |
| Approximation | 近似，近似值 |
| Arc | 弧，圆周的任意一段 |
| Area | 面积 |
| Arithmetic | 算术 |
| arithmetic(al) average | 算术平均数 |
| arithmetic(al) mean | 算术平均数或等差中项 |
| arithmetic(al) progression或series | 算术级数，等差级数 |
| assume that | 假定义…… |
| at random | 随机地 |
| at right angles with | 与……成直角 |
| at this rate | 以这样的比率，价格或速度 |
| Average | 平均，平均数平均的 |
| Axis | 轴 |
