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Mathematical expressions (數學用語)

plus/and 加 +

minus/take away 減 (去) -

plus or minus (正負)

(is) multiplied by/times (or, when giving dimensions, by)

(is)divided by 除以

is equal to /equals 等於 =

is not equal to/does not equal 不等於

is approximately equal to 約等於

is equalivent to/is identical with 全等於≡

is less than 小於 <

is not less than 不少於

is more than 大於 >

percent 百分之%

infinity 無限大

(square) root 平方根 √

cube root 立方根 3√

X squared X平方 X^2

X cubed X 立方 X^3

X to the power of 4 X的4次方 X^4

radius 半徑

diameter 直徑

degree 度。

is equivalent to 相等於

length 長度

width 闊度

height 高度

area 面積

rectangle 長方形

circle 圓形

square 正方形

triangle 三角形

2008-06-21 03:58:54 補充：

quotient 商數, polygon 多邊形, paralled lines 平行線, parallelogram 平行四邊形,

bracket〔〕, perimeter 周界, circumference 圓周, angle 角, acute angle 銳角,

2008-06-21 23:46:26 補充：

fraction 分數, odd number 奇數, even number 雙數, positive number 正數,

negative number 負數, multiplication table 九九乘表, long division 長乘法,

short division 短乘法, decimal 小數, nil 空位, forward 進位, triple 三倍,

2008-06-21 23:53:01 補充：

quadruple 四倍, quintuple 五倍, sextuple 六倍, sevenfold 七倍, eightfold 八倍,

ninefold 九倍, double (duple) 二倍, tenfold ＋倍, centuple 百倍, thousandfold 千倍,

one-half 二分之一, one-third 三分之一, two-thirds 三分之二, one-quarter 四分之一,

2008-06-22 00:00:00 補充：

simple fraction 簡分數, mixed fraction 帶分數, numerator 分子, denominator 分母,

common multiple 公倍數, least common multiple 最小公倍數, common divisor 公約數,

greatest common divisor 最大公約數, trigonometric function 三角函數, reciprocal 倒數,

2008-06-22 00:19:15 補充：

suffix 添數, remainder 餘數, extraction of square root 開平方, evolution 開方, radical 根數,

converstion 換算, equation 万程式, diagonal 對角線, arc 弧, chord 弦, parenthesis 括 弧,

sector 扇形, oval 卵形, rhombus 菱形, symmetry 對稱, alternate angle 錯角, obtuse angle鈍角,

2008-06-22 00:28:50 補充：

arithmetical expression 算式, solution 解答, mental arithmetic 心算, oral arithmetic口算,

chart 圖表, line graph 曲線圖, ungula 蹄形, asymmetry 不對稱, opposite angle 對角,

right angle 直角, re-entrant angle 凹角, salient angle 凸角, formula 公式, abbreviation 化簡,

2008-06-22 00:40:41 補充：

semicircle 半圓, trapezoid 梯形, heart 心形, ellipse 橢圓, oblong 長方, decagon 十角形,

base point 基點, cardinal point 方向基點, direct proportion 正比例, inverse proportion 反比例, proportion 比例, mixed proportion 混合比例, product 積乘, divisor 除數, dividend 被除數,

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