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Conjuntos

Authored by Marcelo Professor

Mathematics

10th Grade

Used 6+ times

Conjuntos
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} e A = {0, 2, 4, 6, 8}, então a operação  CUAC_U^A  é igual a:

{0, 6, 8}

{1, 3, 5, 7, 9}

{0, 2, 4, 6, 8}

{0, 1, 3, 5, 6, 7, 8, 9}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados os conjuntos A = {0, 3, 4, 5, 6, 7, 8} e B = {2, 4,
5, 6, 9}, o valor de  ABA\cup B  é:

{0, 2, 3, 4, 5, 6, 7, 8, 9}

{0, 3, 4, 5, 6, 7, 8, 9, 10}

{0, 3, 4, 5, 6, 9, 10}

{4, 5, 6}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados os conjuntos A = {0, 3, 4, 5, 6, 7, 8} e B = {2, 4,
5, 6, 9}, o valor de  ABA\cap B  é:

{0, 2, 3, 4, 5, 6, 7, 8, 9}

{0, 3, 4, 5, 6, 7, 8, 9, 10}

{0, 3, 4, 5, 6, 9, 10}

{4, 5, 6}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Dados os conjuntos A = {a, b, c, d, e, f, g} e B = {b, d, g, h, i}, o valor de  ABA-B  é:

{a, e, f, g }

{a, c, e, f }

{a, c, e, f, h, i}

{h, i}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Em uma sala de aula, 10 alunos gostam de Matemática, 16 gostam de Arte, 5 gostam das duas disciplinas e 8 não responderam. Quantos alunos há nessa sala?

29

21

39

31

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A representação decimal da fração   78\frac{7}{8} é igual a:

7,85

0,888...

8,75

0,875

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A fração geratriz da dízima periódica 0,242424... é:

13\frac{1}{3}

833\frac{8}{33}

2490\frac{24}{90}

249\frac{24}{9}

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