那你就得了解各种数学名称了，比如“y分之x”是“x over y”，“x乘以y”是“x times y”，“除以”是“divided by”，加plus, 减minus；“x的y次方”是“x to the power of y”，“根”是“root”，几次跟就是几的英语序数形式，6次根=6th root。
1.(A的三次方+B的立方根-CXD的五次方)/E=F 读做:
A cube plus the cube root of
B minus
C multiplied by the 5th power of D, all divided by E equals F.
2.(6+3+7/12-4.35X5)/(9*1/3) 读
腊八节吃什么做: Six plus three and ven twelfths minus four decimal three five multiplied by fiv e, all divided by nine and a third.
3. 基本术语：
数学 mathematics 数字 number 双数 even number 单数 odd number 计算 calculate
口算calculate mentally 笔算calculate using pen-and-paper 竖式vertical form 一位数
1-digit number
两位数2-digit number 文字题word problem 应用题story problem
4、常用符号： ＋ plus、 － minus、 ＝ equal(s)、＞ is greater/more than、
＜ is less than ( ) brackets
5、加减法及各部分名称：加法 addition 加数 addend 和 sum 减法 subtraction
被减数 minuend 减数 subtrahend 差 difference
6、数位知识：数位表place value chart 个 Units/Ones 十 Tens 百 Hundreds
公主的照片7、图形名称：长方体 cuboid 正方体 cube 圆柱 cylinder球 sphere
唐一白长方形 rectangle 正方形 square三角形 triangle 圆 circle
边 side 角 angle 面 face
专业英语中常用符号和数学表达式
1．数的分类
complex number 复数zero; naught;0 零
real number 实数imaginary number 虚数
relational number 有理数irrational number 无理数
integer number 整数positive integer number 正整数
natural number 自然数negative integer number 负整数fraction 分数decimal 小数
odd number 奇数even number 偶数
cardinal number 基数ordinal number 序数approximate number 近似数significant number 有效数
2．整数
addition 加法subtraction 减法
addend 加数subtrahend 减数
augend 被加数minuend 被减数
plus sign 加号minus sign 减号
sum 和difference（diffa）差
plus; add; and; increa 加minus; decrea; subtract 减is; equal 等division 除法
multiplication 乘法divide 除两面黄
multiply; multiplied by; times 乘divisor 除数multiplier 乘数dividend 被除数
multiplicand 被乘数quotient 商
product 积remainder 余数
色王堂综合positive 正negative 负
3．小数和分数
numerator 分子denominator 分母
decimal point 小数点naught point four 零点四fraction stroke 分数线recurring decimal 循环小数
4．百分数
语文学习网percent 百分比interest 利息
average 平均数round off 舍入
discount 折扣
5．幂与指数
power 幂; 乘方root-extracting 开方
exponent 指数logarithms 对数
X squared 某数的平方cube 三次方
three cubed 三次方的four 乘四次方
cube root 立方根square root 平方根
to ri to the power of five 使乘五次方radical sign根号
6．代数
algebra 代数equation 等式; 方程式
inequality 不等式unknown number 未知数
absolute value绝对值simple equation 一次方程quadratic equation 二次方程cubic equation 三次方程
monomial 单项式polynomial 多项式
variable 变量coefficient 系数
differential 微分integral 积分
derivative 导数function 函数
ratio 比proportion 比例
sign of equality等号sign of inequality不等号
interval 区间matrix 矩阵
theorem 定理lemma 引理
definition 定义
7．常用数学表达式
1/2
a half; one half
1500米怎么跑
l/3 a third; one third
2/3 two thirds
1/4 a quarter; one quarter; a fourth; one fourth
l/100 a（one）hundredth
l/1,000 a（one）thousandth
113/324 one hundred and thirteen over three hundred and twenty-four four and two-thirds
forty-five and eighty-nine over twenty-three
0.1 one tenth; point one
0.01 one hundredth; point zero one
0.001 one thousandth; point zero zero one; point two zero one 2050.0357 two thousand and fifty point zero three five ven
0.25 zero point two five
point two five repetend five
zero point two five recurring
zero point three ven twenty-five recurring
圆一个梦对483579四舍五入到千位round off 483579 to nearest thousand 108 one followed by eighteen zeros
-30.8 negative thirty point eight
2-3i two minus three i; two minus three times i
2％two per cent; two percent
5‰ five per mill; five permill
∞infinity
x＋y＝z
x plus y is z; add x to y is z; x and y is z
(x＋y) bracket x plus y bracket clod
x-y x minus y; subtract y from x; y from x; x subtracts y
x±y x plus or minus y
x×y; xy xy; multiply x by y; x multiplied by y; x by y; x times y;
x÷y
divide x by y; y into x
x over y
x : y the ration of x to y
x∝y x varies as y; x is in direct proportion to y
x＝y x equals y; x is equal to y; x is y
x≠y x is not equal to y; x is not y
x≡y x is identical to y; x is equivalent to y; x is equivalent to y;
x≈y x is approximately equal to y; x approximately equals y
x＞y x is greater than y; x is more than y
x>>y x is much greater than y; x is far greater than y
x≥y x is greater than or equal to y
x＜y x is less than y
x<<y x is much less than y
x≤y x is less than or equal to y
0＜x＜1 zero is less than x is less than 1; x is greater than zero and less than 1 0≤x≤1 zero is less than or equal to x is less than or equal to 1
x2 x square; x squared; the square of x;
the cond power of x; x to cond power
x3 x cube; x cubed; the cube of x;
the third power of x; x to the third power
xn the nth power of x; x to the nth power; x to the power n
the square root of x; x squared
the cube root of x
the nth root of x
x-n x to the (power) minus n
(x+y)2
x plus y all squared
x over y all squared
x i x i; x subscript i; x suffix i; x sub i
lognx
log x to the ba n; log of x to the ba n
log10x log x to ba 10; common logarithm
logex; lnx log x to the ba e; log to the ba e of y; natural log (of) y
ex; exp(x) exponential function of x, e to the power x
the summation of x sub i, where i goes from 1 to n;
the sum from i equals one to n x i;
the sum as i runs from one to n of the x i
the product of x sub i, where i goes from one to n
the product of all x i from i equals one to n
the product of all xi from i equals one to infinity
the absolute value of x; mod x; modulus x
the mean value of x; x bar
x hat
x tilde
x* x asterisk
x prime
x double prime
x double prime sub m
f(x) f x; f of x; the function f of x
a function f from S to T
f¢(x) f prime x; f dash x; the (1st) derivative of f with respect to x
f²(x) f double–prime x; f double–dash x; the cond derivative of f with respect to x f¢²(x) f triple–prime x; f triple–dash x; the third derivative of f with respect to x f4(x) four x; the fourth derivative of f with respect to x
x! n factorial
△finite difference or increment
△x,δx the increment of x
dx dee x; dee of x; differential x
del; nabla
nth del (nabla)
the differential coefficient of y with respect to x;
the first derivative of y with respect of x
the cond derivative of y with respect of x
the nth derivative of y with respect of x
the partial (derivative) of y with respect to u
