X点Y
e.g.
0.3 零点三 (líng diǎn sān)
1.25 一点二五 (yī diǎn èr wǔ)
46.09 四十六点零九 (sì shí liù diǎn líng jiǔ)
123.405 一百二十三点四零五 (yī bǎi èrshísān diǎn sì líng wǔ)
X分之Y
e.g.
1/2 二分之一 (èr fēn zhī yī)
2/3 三分之二 (sān fēn zhī èr)
7/10 十分之七 (shí fēn zhī qī)
1/25 二十五分之一 (èrshí wǔ fēn zhī yī)
这本书的汉字,我只认识五分之二。(Zhè běn shū de hànzì, wǒ zhǐ rènshi wǔ fēn zhī èr.) I only know two-fifths of the Chinese characters in this book.
百分之Y
e.g.
100/100 百分之百 (bǎi fēnzhī bǎi)
50/100 百分之五十 (bǎi fēn zhī wǔ shí)
3/100 百分之三 (bǎi fēn zhī sān)
新手机比旧手机贵了百分之三十。(Xīn shǒujī bǐ jiù shǒujī guì le bǎi fēn zhī sānshí.) The new mobile phone is 30% more expensive than the old one.
X倍
e.g.
五倍 (wǔ bèi) five times
十倍 (shí bèi) ten times
一百倍 (yībǎi bèi) A hundred times
十二是四的三倍。(Shí’èr shì sì de sān bèi.) Twelve is three times four.
这个班的男生人数是女生人数的两倍。(Zhège bān de nánshēng rénshù shì nǚshēng rén shǔ de liǎng bèi.) The number of boys in this class is twice that of girls.
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