序数词合成。分子用基数词,分母用序数词。分子是1时,分母(序数词)用单数形式;分子大于1时,分母用复数形式,序数词加-s。读带分数时,先读整数部分,再读分数部分。 1/2→one half 或 a half ; 1/4→one fourth 或 one (a) quarterР3/4→three quarters或 three fourths; 4/5→four fifthsР2-1/3→two and a (one)third; 3-5/6→three and five sixthsР32-3/4→thirty-two and three quarters (three fourths)Р三、小数表达法Р 整数与小数之间用小数点隔开。读小数时,每位数字(特别是小数点后面的)要单独读出。小数点读作point(点),零读作zero(或naught)。如果整数是零,往往不读出。Р 0.1→ zero(naught)point one 或 point one Р 0.03→zero(naught)point naught three 或 zero point zero threeР 2.25→two point two five; 14.16→fourteen point one sixР205.37→two hundred and five point three sevenР四、百分数Р 百分数用下面形式表示:Р 5%→5.per cent(缩写:5.PC)读作:five percentР 23%→23.per cent(缩写:23.PC)读作:twenty-three percentР五、常见的数字符号和等式的读法Р = (等于号) 读作 equals;+ (加号) 读作 plus或and
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