超全常用数学符号的英文表达方法

超全常用数学符号的英文表达方法，赶紧学起来！

als

and Ordinals

基

数

和

序

数< /p>

(1)100

以内的数词

罗马数字

阿拉伯数字读法

数码

读法

I 1 one 1st the first

II 2 two 2nd the second

III 3 three 3rd the third

IV 4 four 4th the fourth

V 5 five 5th the fifth

VI 6 six 6th the sixth

VII 7 seven 7th the seventh

VIII 8 eight 8th the eighth

IX 9 nine 9th the ninth

X 10 ten 10th the tenth

XI 11 eleven 11th the eleventh

XII 12 twelve 12th the twelfth

XIII 13 thirteen 13th the thirteenth

XIV 14 fourteen 14th the fourteenth

XV 15 fifteen 15th the fifteenth

XVI 16 sixteen 16th the sixteenth

XVII 17 seventeen 17th the seventeenth

XVIII 18 eighteen 18th the eighteenth

XIX 19 nineteen 19th the nineteenth

XX 20 twenty 20th the twentieth

XXI 21 twenty-one 21st the twenty- first

XXV 25 twenty-five 25th the twenty-fifth

XXX 30 thirty 30th the thirtieth

XL 40 forty 40th the fortieth

L 50 fifty 50th the fiftieth

LX 60 sixty 60th the sixtieth

LXX 70 seventy 70th the seventieth

LXXX 80 eighty 80th the eightieth

XC 90 ninety 90th the ninetieth

IC 99 ninety-nine 99th the ninety- ninth

C 100 one hundred 100th the hundredth

CII 102 a hundred 102nd the (one) hundred

and two and second

246 two hundred and forty- six

751 seven hundred and fifty-one

(2)1000

以上的数词

1,000 = one thousand

一千

10,000 = ten thousand

一万

100,000 = one hundred thousand

十万

1,000,000 = one million

一百万

10,000,000 = ten million

一千万

100,000,000=one hundred million

一亿

(3 )

十亿以上的大数，英美有不同的读法：

英国

美国

十亿

one thousand million = one billion

百亿

ten thousand million = ten billion

千亿

one hundred thousand million = one hundred billion

万亿

one billion = one trillion

ons

分

数

通常将分子读为基数，将分母读为序数。

1/2 = a (or one) half

1/3 = a (or one) third

1/4 = a quarter or one fouth

1/5 = a (or one) fifth

2/3 = two thirds

9/10 = nine tenths

53/4 = five and three quarters

15/64= fifteen over (or by) sixty-four

15% = fifteen per cent

4‰ = four per mill

ls

小

数

0.4 = zero (or nought) point four

.01 = point (or decimal) nought one

12.34 = twelve point three four

567.809 = five hundred and sixty-seven point eight nought nine

30.45 = thirty point four five, five recurring

0.3% = decimal three percent

atic

Forms

数

学

式

(1) Addition

加法

1+2=3

：

One and two are three.

2+3=5

：

Two plus three equals five.

4+0=4

：

Four and nought is equal to four.

45+70+152=267

：

45,70 and 152 added are (or make) 267

the sum (or total) is 267.

(2)Subtraction

减法

9-4=5

：

Nine minus four equals (or is equal to) five.

15-7=8

：

Seven from fifteen leaves eight.

23,654-8,175=15,479 8,175

：

(take or subtracted) from 23,654

leaves 15,479. The difference(or The remainder) is 15, from

five won`t go.

(3)Multiplication

乘法

1×0=0

：

One multiplied by nought equals nought.

1×1=1

：

Once one is one.

2×1=2

：

Twice one is two.

3×5=15

：

Three times five is fifteen

6×0=0

：

Multiply six by nothing, and the result is nothing.

(4)Division

除法

9÷3=3

：

Nine divided by three maks (or is equal to) three.

20÷5=4

：

Five into twenty goes four times.

4567 ÷23=198

余

13

：

23 into 4567 goes 198 times, and 13

remainder.

The quctient is 198, and 13 remainder.

时

间

(1)Hours

钟点

2h.5'8

小时

5

分

8

秒

6.18 = six eighteen 6

时

18

分

8.30 a.m.= eight thirty a.m.['ei 'em] < /p>

上午

8

时

30< /p>

分

the 6.05 = the six (nought) five p.m.['pi:'em] train

下 午

6

时零

5

分 列车

又二十四小时混合制的写法和读法如下：

0900 = 0 nine hunderd (

上午

)9

时

0910 = 0 nine ten (

上午

)9

时

10

分

1300 = thirteen hundred 13

< br>时

(

下午

1

时

)

1525 = fifteen twenty-five 15

时

25

分

(

下午

3