Números racionais e irracionais
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Wellington Vieira
Used 30+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Todo número inteiro é racional.
Verdade
Falso
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Todos os números racionais são inteiros.
Verdade
Falso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual número não é positivo nem negativo:
1
0
10
nenhum
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
é um número inteiro.
VERDADE
FALSO
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(UNIPAR) Considere a e b números racionais quaisquer. Podemos afirmar que é INCORRETA a alternativa:
a/2 será um número racional.
√a será um número racional.
a – b será um número racional.
a + b será um número racional.
a.b será um número racional.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Classifique em V (verdadeiro) ou F (falso) as afirmativas abaixo:
I - Todo número inteiro é também um número natural.
II - A razão entre dois números inteiros não nulos é um número racional.
III - O simétrico do oposto de +2 é -2
F - V - V
V - V - V
F - F - V
F - V - F
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A soma 1,3333... + 0,16666... é igual a:
1/2
5/2
4/3
5/3
3/2
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