Задание 3, стр 12

Question

Верно ли?
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$$a)-7\in Z\qquad b)-7
otin Q\qquad c)-7\in R\qquad d)5
otin Z$$
$$e)-\frac{3}{5}\in Z\qquad f)-\frac{3}{5}\in Q\qquad g)\sqrt{8}
otin Q\qquad h)\sqrt{8}\in R$$

Gimli · Accepted Answer

$a.\qquad 	ext{Да.}$
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$b.\qquad 	ext{Нет.}$
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$c.\qquad 	ext{Да.}$
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$d.\qquad 	ext{Нет.}$
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$e.\qquad 	ext{Нет.}$
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$f.\qquad 	ext{Да.}$
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$g.\qquad 	ext{Да.}$
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$h.\qquad 	ext{Да.}$

Задание 3, стр 12

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Задание 3, стр 12

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