Conjuntos Flashcards

1
Q

Numero de conjuntos de partes

A

2^n (qtde de partes)

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2
Q

Naturais N

A

0, +1 , +2…

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3
Q

Inteiros Z

A

…, -1, 0, +1…

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4
Q

Racionais Q

A

Inteiros, decimais exatos e dizimas periodicas

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5
Q

Irracionais

A

R - Q

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6
Q

Reais R

A

Q + Irracionais

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7
Q

Grandeza diretamente proporcional

A

Cte=a/b

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8
Q

Grandeza diretamente proporcional

A

Cte = a.b

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9
Q

Múltiplo e divisor

A

a = b . c
a: múltiplo de b e c
b e c: divisor de a

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10
Q

Qtde de divisores positivos de um número

A

Fatora o número
soma 1 na potencia do números primos formados
multiplica entre eles= só positivos
se quiser todos X2
n (D+(72) = (3+1)(2+1) = 12
n (D (72) = 12 x 2 = 24

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11
Q

Números primos

A

tem exatamente 4 divisores (-1, +1, +N, -N)

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