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Community Slow audio Play audio Noun, Plural, Masculine 或 numerais数词Community Slow audio Play audio Noun, Plural, Masculine 。
数字只是 quantificadores数量词Community 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Community Slow audio Play audio Adjective – 基数词：一、二、三……
• ordinais序数词Community Slow audio Play audio Adjective, Plural – 序数词：第一、第二、第三……
• multiplicativos倍数词Community Slow audio Play audio Adjective, Plural, Masculine – 倍数词：两倍、三倍、四倍……
• fracionários分数词Community 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Community 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		zeroCommunity Slow audio Play audio Number
1	I	umCommunity Slow audio Play audio Number umaCommunity Slow audio Play audio Number, Singular, Feminine	primeiroCommunity Slow audio Play audio Number
2	II	doisCommunity Slow audio Play audio Number duasCommunity Slow audio Play audio Number	segundoCommunity Slow audio Play audio Preposition	duploCommunity Slow audio Play audio Number dobroCommunity Slow audio Play audio Number	meioCommunity Slow audio Play audio Adjective metadeCommunity Slow audio Play audio Noun, Singular, Feminine	duoCommunity Slow audio Play audio Noun, Singular, Masculine duetoCommunity Slow audio Play audio Noun, Singular, Masculine
3	III	trêsCommunity Slow audio Play audio Number	terceiroCommunity Slow audio Play audio Number, Masculine	triploCommunity Slow audio Play audio Number	terçoCommunity Slow audio Play audio Number	trioCommunity Slow audio Play audio Noun, Singular, Masculine
4	IV	quatroCommunity Slow audio Play audio Number	quartoCommunity Slow audio Play audio Number	quádruploCommunity Slow audio Play audio Number	quartoCommunity Slow audio Play audio Number	quartetoCommunity Slow audio Play audio Noun, Singular, Masculine
5	V	cincoCommunity Slow audio Play audio Number	quintoCommunity Slow audio Play audio Number	quíntuploCommunity Slow audio Play audio Number	quintoCommunity Slow audio Play audio Number	quintetoCommunity Slow audio Play audio Noun, Singular, Masculine
6	VI	seisCommunity Slow audio Play audio Number	sextoCommunity Slow audio Play audio Number	sêxtuploCommunity Slow audio Play audio Number	sextoCommunity Slow audio Play audio Number	meia dúziaCommunity Slow audio Play audio sextetoCommunity Slow audio Play audio Noun, Singular, Masculine
7	VII	seteCommunity Slow audio Play audio Number	sétimoCommunity Slow audio Play audio Number	séptuploCommunity Slow audio Play audio Number, Masculine	sétimoCommunity Slow audio Play audio Number
8	VIII	oitoCommunity Slow audio Play audio Number	oitavoCommunity Slow audio Play audio Number	óctuploCommunity Slow audio Play audio Number, Singular, Masculine	oitavoCommunity Slow audio Play audio Number
9	IX	noveCommunity Slow audio Play audio Number	nonoCommunity Slow audio Play audio Number		nonoCommunity Slow audio Play audio Number	novenaCommunity Slow audio Play audio Number, Singular, Feminine
10	X	dezCommunity	décimoCommunity Slow audio Play audio Number	décuploCommunity Slow audio Play audio Number, Singular, Masculine	décimoCommunity Slow audio Play audio Number	dezenaCommunity Slow audio Play audio Number décadaCommunity Slow audio Play audio Noun, Singular, Feminine
11	XI	onzeCommunity Slow audio Play audio Number	décimo primeiroCommunity Slow audio Play audio Number	undécuploCommunity Slow audio Play audio Number, Singular, Masculine	onze avosCommunity Slow audio Play audio Number
12	XII	dozeCommunity Slow audio Play audio Number	décimo segundoCommunity Slow audio Play audio Number	duodécuploCommunity Slow audio Play audio Number, Singular, Masculine	doze avosCommunity Slow audio Play audio Number	dúziaCommunity Slow audio Play audio Number, Singular, Feminine
13	XIII	trezeCommunity Slow audio Play audio Number	décimo terceiroCommunity Slow audio Play audio Number		treze avosCommunity Slow audio Play audio Number
14	XIV	catorzeCommunity Slow audio Play audio Number	décimo quartoCommunity Slow audio Play audio Number		catorze avosCommunity Slow audio Play audio Number
15	XV	quinzeCommunity Slow audio Play audio Number	décimo quintoCommunity Slow audio Play audio Number		quinze avosCommunity Slow audio Play audio Number
16	XVI	dezasseisCommunity Slow audio Play audio Number	décimo sextoCommunity Slow audio Play audio Number		dezasseis avosCommunity Slow audio Play audio Number
17	XVII	dezasseteCommunity Slow audio Play audio Number	décimo sétimoCommunity Slow audio Play audio Number		dezassete avosCommunity Slow audio Play audio Number
18	XVIII	dezoitoCommunity Slow audio Play audio Number	décimo oitavoCommunity Slow audio Play audio Number		dezoito avosCommunity Slow audio Play audio Number
19	XIX	dezanoveCommunity Slow audio Play audio Number	décimo nonoCommunity Slow audio Play audio Number		dezanove avosCommunity Slow audio Play audio Number
20	XX	vinteCommunity Slow audio Play audio Number	vigésimoCommunity Slow audio Play audio Number		vinte avosCommunity Slow audio Play audio Number
21	XXI	vinte e umCommunity Slow audio Play audio	vigésimo primeiroCommunity Slow audio Play audio Number		vinte e um avosCommunity Slow audio Play audio
25	XXV	vinte e cincoCommunity Slow audio Play audio	vigésimo quintoCommunity Slow audio Play audio Number		vinte e cinco avosCommunity Slow audio Play audio	quarteirãoCommunity Slow audio Play audio Noun, Singular, Masculine
30	XXX	trintaCommunity Slow audio Play audio Number	trigésimoCommunity Slow audio Play audio Number		trinta avosCommunity Slow audio Play audio Number
40	XL	quarentaCommunity Slow audio Play audio Number	quadragésimoCommunity Slow audio Play audio Number		quarenta avosCommunity Slow audio Play audio Number
50	L	cinquentaCommunity Slow audio Play audio Number	quinquagésimoCommunity Slow audio Play audio Number		cinquenta avosCommunity Slow audio Play audio Number
60	LX	sessentaCommunity Slow audio Play audio Number	sexagésimoCommunity Slow audio Play audio Number		sessenta avosCommunity Slow audio Play audio Number
70	LXX	setentaCommunity Slow audio Play audio Number	septuagésimoCommunity Slow audio Play audio Number		setenta avosCommunity Slow audio Play audio Number
80	LXXX	oitentaCommunity Slow audio Play audio Number	octogésimoCommunity Slow audio Play audio Number		oitenta avosCommunity Slow audio Play audio Number
90	XC	noventaCommunity Slow audio Play audio Number	nonagésimoCommunity Slow audio Play audio Number		noventa avosCommunity Slow audio Play audio Number
100	C	cemCommunity Slow audio Play audio Number	centésimoCommunity Slow audio Play audio Number		cem avosCommunity Slow audio Play audio Number	centenaCommunity Slow audio Play audio Number, Singular
101	CI	cento e umCommunity Slow audio Play audio	centésimo primeiroCommunity Slow audio Play audio Number		cento e um avosCommunity Slow audio Play audio
200	CC	duzentosCommunity Slow audio Play audio Number	ducentésimoCommunity Slow audio Play audio Number		duzentos avosCommunity Slow audio Play audio Number
300	CCC	trezentosCommunity Slow audio Play audio Number	tricentésimoCommunity Slow audio Play audio Number		trezentos avosCommunity Slow audio Play audio Number
400	CD	quatrocentosCommunity Slow audio Play audio Number	quadringentésimoCommunity Slow audio Play audio Number		quatrocentos avosCommunity Slow audio Play audio Number
500	D	quinhentosCommunity Slow audio Play audio Number	quingentésimoCommunity Slow audio Play audio Number, Singular, Masculine		quinhentos avosCommunity Slow audio Play audio Number
600	DC	seiscentosCommunity Slow audio Play audio Number	sexcentésimoCommunity Slow audio Play audio Number		seiscentos avosCommunity Slow audio Play audio Number
700	DCC	setecentosCommunity Slow audio Play audio Number	septingentésimoCommunity Slow audio Play audio Number		setecentos avosCommunity
800	DCCC	oitocentosCommunity Slow audio Play audio Number	octingentésimoCommunity Slow audio Play audio Number		oitocentos avosCommunity
900	CM	novecentosCommunity Slow audio Play audio Number	nongentésimoCommunity Slow audio Play audio Number		novecentos avosCommunity Slow audio Play audio Number
1000	M	milCommunity Slow audio Play audio Number	milésimoCommunity Slow audio Play audio Number		mil avosCommunity Slow audio Play audio Number	milharCommunity Slow audio Play audio Number
1001	MI	mil e umCommunity	milésimo primeiroCommunity		mil e um avosCommunity 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。