[tex](-\frac{2}{7}; -\frac{1}{7}) = (-\frac{8}{28};-\frac{4}{28})\\\\\\A) \ -\frac{5}{28} \in \ (-\frac{8}{28}; -\frac{4}{28})\\\\B) \ -\frac{4}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})\\\\C) \ -\frac{3}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})\\\\D) \ -\frac{2}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})[/tex]
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Liczba nie mniejsza niż 2, to liczba ≥ 2
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[tex](-\frac{2}{7}; -\frac{1}{7}) = (-\frac{8}{28};-\frac{4}{28})\\\\\\A) \ -\frac{5}{28} \in \ (-\frac{8}{28}; -\frac{4}{28})\\\\B) \ -\frac{4}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})\\\\C) \ -\frac{3}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})\\\\D) \ -\frac{2}{28} \ \notin \ (-\frac{8}{28}; -\frac{4}{28})[/tex]
Odp. A)
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Liczba nie mniejsza niż 2, to liczba ≥ 2
Odp. B)