超全常用数学符号的英文表达方法
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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
(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]
上午
8
时
30
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
时
(
下午
1
时
)
1525 = fifteen twenty-five 15
时
25
分
(
下午< br>3
时
25
分
)
2000 = twenty hundred 20
时
(
下午
8
时
)
at 5 o'c =at five o'clock
五点钟
(2)Date
日期
Oct.1 =October first 10
月
1
日
Oct.1st = October the first 10
月
1
日
Ist Oct. 1949 = teh first of October, nineteen forty- nine 1949
年
10
月
1
日
3/5 = [
英
]May (the) third 5
月
3
日；
[
美
]March fifth 3
月
5
日
[
附注
]
联系日期前置词用
on.
(3)Year
年份
684 B.C. =Six eighty- four B.C. ['bi:'si:]
公元前
684
年
1960 = nineteen sixty; nineteen hundred and sixty
19- nineteen something
1950's nineteen fifties
二十世纪五十年代
[
附注
]
联系年份的前置词用
in.
s
号
码
(1)Telephones Numbers
电话号码
1023 = one O two three; ten twenty-three
1227 = one double two (or two two) seven
0386 = O three eight six
0096 = double O(or O O )nine six
7000 = seven O double O = seven thousand
No.26= Number 26
第
26
号
Room 201 = Room two O one
第
201
房间
10 Changan Street = Ten Changan Street
长安街
10
号
(2)Writings
书籍作品
Vol.I = Volume one (or the first volume)
卷一
= Chapter two (or the second chapter)
第
2
章
Page 3 = page Three (or the third page)
第
3
页
See pp.5-10 = See Pages five to ten
见第
5-10
页
Act V = Act five (or the fifth act)
第
5
幕
Hamlet III 1:56 = Hamlet Act Three, Secene fifty-six
《哈姆雷
特》第
3
幕第一场第
56
行
Matt.7:12 = Matthew, Chapter Seven, Verse Twelve
《马可福音》第七章
第
12
节
Beethoven Op.49 = Beethoven Opus forty-nine
贝多芬作品第
49
号
4to = quarto
四本开
8vo = octavo
八本开