Задание 23

Question

Покажите на числовой прямой множества:
ewlineа)(-3; 0); 
ewlineб)[-3; 0];
ewlineв){-3; 0}.
ewlineНайдите $(-3;0) \cup [-3; 0]; (-3; 0) \cap [-3; 0]; (-3; 0) \cup {-3; 0}; (-3; 0) \cap {-3; 0}$.

Gimli · Accepted Answer

а) ________________⊗\\\\\\\\\\\\\\\\\\\\\\\\\⊗__________
ewline
-3              0          
ewline

б) ________________♠\\\\\\\\\\\\\\\\\\\\\\\\\♠____________
ewline
-3               0           
ewline

в) ________________♠___________________________♠____________
ewline
-3                          0    
ewline

(-3; 0)∪ [-3; 0] =[-3; 0]; (-3; 0)∩ [-3; 0] =(-3; 0); (-3; 0)∪ {-3; 0} = [-3; 0];
	(-3; 0)∩ {-3; 0} = {-3; 0}.

Задание 23

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Задание 23

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