
números racionais, forma decimal, fração geratriz e dízima
Authored by Lucas Silva
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1st Grade
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é um número racional?
Um número que não pode ser escrito como fração.
Um número que pode ser escrito como uma fração de dois inteiros, com denominador diferente de zero.
Um número que só aparece em equações complexas.
Um número que representa apenas valores negativos.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos seguintes números é racional?
√2
π
0,75
√5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma decimal da fração 3/4?
0,25
0,5
0,75
1,0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa a forma decimal de 5/8?
0,625
0,5
0,75
0,8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fração geratriz de 0,6?
3/5
2/3
6/10
1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fração geratriz de 0,125 é:
1/8
1/4
1/6
1/10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa uma dízima periódica?
0,5
0,333...
0,75
0,8
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