葡萄牙语中的数字

在本单元中，我们将学习葡萄牙语数字，即 números数字 Slow audio Play audio Noun, Plural, Masculine 或 numerais数词 Slow audio Play audio Noun, Plural, Masculine 。
数字只是 quantificadores数量词 Slow audio Play audio Noun, Plural, Masculine 的一部分，但它们非常重要，因此，我们认为它们应该拥有自己的单元。我们将在 “多少”单元中探讨其他的一些数量词。但现在，让我们看一下 números（数字），它可以简单地告诉我们某一事物的具体数量。

5种类型的数词：

• cardinais基数词 Slow audio Play audio Adjective – 基数词：一、二、三……
• ordinais序数词 Slow audio Play audio Adjective – 序数词：第一、第二、第三……
• multiplicativos倍数词 Slow audio Play audio Adjective, Plural, Masculine – 倍数词：两倍、三倍、四倍……
• fracionários分数词 Slow audio Play audio Adjective – 分数词：二分之一 (1/2)、 三分之一 (1/3)、四分之一 (1/4)……
• coletivos集合数词 Slow audio Play audio Adjective, Masculine – 集合数词：一对、半打、一打……

在第一个数字单元（数字1）中，我们将重点讨论基数，而在数字2单元中，我们将会介绍更高级别的数字。在数字3单元中，我们将探讨序数、倍数、分数和集合数。下面是一张非常实用的参考图表，里边有5种葡萄牙语数字的表达方法。

葡萄牙语数字的参考图表：

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		Números
		Cardinal	Ordinal	Multiplier	Fractional	Collective
0		zero Slow audio Play audio Number
1	I	um Slow audio Play audio Number uma Slow audio Play audio Number, Singular, Feminine	primeiro Slow audio Play audio Number
2	II	dois Slow audio Play audio Number duas Slow audio Play audio Number	segundo Slow audio Play audio Preposition	duplo Slow audio Play audio Number dobro Slow audio Play audio Number	meio Slow audio Play audio Adjective metade Slow audio Play audio Noun, Singular, Feminine	duo Slow audio Play audio Noun, Singular, Masculine dueto Slow audio Play audio Noun, Singular, Masculine
3	III	três Slow audio Play audio Number	terceiro Slow audio Play audio Number, Masculine	triplo Slow audio Play audio Number	terço Slow audio Play audio Number	trio Slow audio Play audio Noun, Singular, Masculine
4	IV	quatro Slow audio Play audio Number	quarto Slow audio Play audio Number	quádruplo Slow audio Play audio Number	quarto Slow audio Play audio Number	quarteto Slow audio Play audio Noun, Singular, Masculine
5	V	cinco Slow audio Play audio Number	quinto Slow audio Play audio Number	quíntuplo Slow audio Play audio Number	quinto Slow audio Play audio Number	quinteto Slow audio Play audio Noun, Singular, Masculine
6	VI	seis Slow audio Play audio Number	sexto Slow audio Play audio Number	sêxtuplo Slow audio Play audio Number	sexto Slow audio Play audio Number	meia dúzia Slow audio Play audio sexteto Slow audio Play audio Noun, Singular, Masculine
7	VII	sete Slow audio Play audio Number	sétimo Slow audio Play audio Number	séptuplo Slow audio Play audio Number, Masculine	sétimo Slow audio Play audio Number
8	VIII	oito Slow audio Play audio Number	oitavo Slow audio Play audio Number	óctuplo Slow audio Play audio Number, Singular, Masculine	oitavo Slow audio Play audio Number
9	IX	nove Slow audio Play audio Number	nono Slow audio Play audio Number		nono Slow audio Play audio Number	novena Slow audio Play audio Number, Singular, Feminine
10	X	dez	décimo Slow audio Play audio Number	décuplo Slow audio Play audio Number, Singular, Masculine	décimo Slow audio Play audio Number	dezena Slow audio Play audio Number década Slow audio Play audio Noun, Singular, Feminine
11	XI	onze Slow audio Play audio Number	décimo primeiro Slow audio Play audio Number	undécuplo Slow audio Play audio Number, Singular, Masculine	onze avos Slow audio Play audio Number
12	XII	doze Slow audio Play audio Number	décimo segundo Slow audio Play audio Number	duodécuplo Slow audio Play audio Number, Singular, Masculine	doze avos Slow audio Play audio Number	dúzia Slow audio Play audio Number, Singular, Feminine
13	XIII	treze Slow audio Play audio Number	décimo terceiro Slow audio Play audio Number		treze avos Slow audio Play audio Number
14	XIV	catorze Slow audio Play audio Number	décimo quarto Slow audio Play audio Number		catorze avos Slow audio Play audio Number
15	XV	quinze Slow audio Play audio Number	décimo quinto Slow audio Play audio Number		quinze avos Slow audio Play audio Number
16	XVI	dezasseis Slow audio Play audio Number	décimo sexto Slow audio Play audio Number		dezasseis avos Slow audio Play audio Number
17	XVII	dezassete Slow audio Play audio Number	décimo sétimo Slow audio Play audio Number		dezassete avos Slow audio Play audio Number
18	XVIII	dezoito Slow audio Play audio Number	décimo oitavo Slow audio Play audio Number		dezoito avos Slow audio Play audio Number
19	XIX	dezanove Slow audio Play audio Number	décimo nono Slow audio Play audio Number		dezanove avos Slow audio Play audio Number
20	XX	vinte Slow audio Play audio Number	vigésimo Slow audio Play audio Number		vinte avos Slow audio Play audio Number
21	XXI	vinte e um Slow audio Play audio	vigésimo primeiro Slow audio Play audio Number		vinte e um avos Slow audio Play audio
25	XXV	vinte e cinco Slow audio Play audio	vigésimo quinto Slow audio Play audio Number		vinte e cinco avos Slow audio Play audio	quarteirão Slow audio Play audio Noun, Singular, Masculine
30	XXX	trinta Slow audio Play audio Number	trigésimo Slow audio Play audio Number		trinta avos Slow audio Play audio Number
40	XL	quarenta Slow audio Play audio Number	quadragésimo Slow audio Play audio Number		quarenta avos Slow audio Play audio Number
50	L	cinquenta Slow audio Play audio Number	quinquagésimo Slow audio Play audio Number		cinquenta avos Slow audio Play audio Number
60	LX	sessenta Slow audio Play audio Number	sexagésimo Slow audio Play audio Number		sessenta avos Slow audio Play audio Number
70	LXX	setenta Slow audio Play audio Number	septuagésimo Slow audio Play audio Number		setenta avos Slow audio Play audio Number
80	LXXX	oitenta Slow audio Play audio Number	octogésimo Slow audio Play audio Number		oitenta avos Slow audio Play audio Number
90	XC	noventa Slow audio Play audio Number	nonagésimo Slow audio Play audio Number		noventa avos Slow audio Play audio Number
100	C	cem Slow audio Play audio Number	centésimo Slow audio Play audio Number		cem avos Slow audio Play audio Number	centena Slow audio Play audio Number, Singular
101	CI	cento e um Slow audio Play audio	centésimo primeiro Slow audio Play audio Number		cento e um avos Slow audio Play audio
200	CC	duzentos Slow audio Play audio Number	ducentésimo Slow audio Play audio Number		duzentos avos Slow audio Play audio Number
300	CCC	trezentos Slow audio Play audio Number	tricentésimo Slow audio Play audio Number		trezentos avos Slow audio Play audio Number
400	CD	quatrocentos Slow audio Play audio Number	quadringentésimo Slow audio Play audio Number		quatrocentos avos Slow audio Play audio Number
500	D	quinhentos Slow audio Play audio Number	quingentésimo Slow audio Play audio Number, Singular, Masculine		quinhentos avos Slow audio Play audio Number
600	DC	seiscentos Slow audio Play audio Number	sexcentésimo Slow audio Play audio Number		seiscentos avos Slow audio Play audio Number
700	DCC	setecentos Slow audio Play audio Number	septingentésimo Slow audio Play audio Number		setecentos avos
800	DCCC	oitocentos Slow audio Play audio Number	octingentésimo Slow audio Play audio Number		oitocentos avos
900	CM	novecentos Slow audio Play audio Number	nongentésimo Slow audio Play audio Number		novecentos avos Slow audio Play audio Number
1000	M	mil Slow audio Play audio Number	milésimo Slow audio Play audio Number		mil avos Slow audio Play audio Number	milhar Slow audio Play audio Number
1001	MI	mil e um	milésimo primeiro		mil e um avos Slow audio Play audio

葡萄牙语的数字符号

在一些英语国家，如美国和英国，数字通常是这样写的：12,345.67。然而，在葡萄牙，它是这样写的： 12.345,67，即逗号和小数点是反着使用的。或者，对于大整数，你可能只会看到一个空格，而不是逗号或小数点，如 20 000（而不是 20,000 或 20.000）。注意：在练习中，我们通常会避免使用空格或标点符号，为的是在输入答案时保持整体的简洁。