常用数学符号的英文读法

Frequently-used numerals

1/2 a half , one half , one over two

2/3 two thirds , two over three

1/4 a quarter , one quarter , one fourth , one over four 2+ 1/2 two and a half

0.3 one point three , o point three , point three , nought point three

o.3333333……… point three recurring

5.8676767…….. five point eight six seven , six seven recurring

2/3 two thirds of a meter

常用数学符号英文读法 (资料来源于网络) 2008-11-24 13:56

Fractions 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

Decimals 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

Mathematic Forms 数学式(1) Addition 加法

[indent]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. [/indent](2)Subtraction 减法[indent]

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 15,479. Nine from five won`t go.

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(3)Multiplication 乘法[indent]

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.

[/indent](4)Division 除法[indent]

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.

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Time 时间(1)Hours 钟点[indent]2h.5'8" = two hours five minutes eight seconds 2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 p.m.train = 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3时25分) 2000 = twenty hundred 20时(下午8时) at 5 o'c =at five o'clock 五点钟

[/indent](2)Date 日期[indent]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(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[/indent]

符号的英文读法[indent]period 句号≈is approximately equal to 约等于号, comma 逗号