Вариант 7

1. Дано: А = [8; 25 ) ,

B = (11; +∞ ), C = ( – ∞; 13 ]

Найти:

1) B (A C); 2) B (A C); 3) C (A B) ; 4) C (A B)

5) C (A B) ; 6) (A C) ( B C); 7) (A B) ( A C) ;

8) (A B) ( B C) ; 9) (A C) ( B C) ; 10) (A B) ( B C)

2. Дано: A = {x | x ≥ 1};

B = {x | x ≤ –5 или x ≥ –3 };

C = {x | –9 < x < 4 }

Найти:

1) A B С ; 2) A B С ; 3) A (B C) ; 4) A \ B ; 5) A (C \ B); 6) A (C \ B); 7) (A \ B) ( B \ C) ; 8) (A \ B) \ C; 9) (A B) \ (A B); 10) (A B) C ;

11) A (B C) ; 12) (A B) C; 13) B \ C; 14) (A C) \ B; 15) (A C) \ B;

16) (A C) \ ( B C) ; 17) (A \ C) \ (B \ C); 18) (A C) \ (A B) ;

19) (B C) \ (A C); 20) (B \ C) \ (A \ C)

1. Дано: А = [0; 15 ) ,

B = (1; +∞ ), C = ( – ∞; 3 ]

Найти:

1) B (A C); 2) B (A C); 3) C (A B) ; 4) C (A B)

5) C (A B) ; 6) (A C) ( B C); 7) (A B) ( A C) ;

8) (A B) ( B C) ; 9) (A C) ( B C) ; 10) (A B) ( B C)

2 Дано: A = {x | x ≥ –1};

B = {x | x ≤ –7 или x ≥ –4 };

C = {x | –11 < x < 0 }

Найти:

1) A B С ; 2) A B С ; 3) A (B C) ; 4) A \ B ; 5) A (C \ B); 6) A (C \ B); 7) (A \ B) ( B \ C) ; 8) (A \ B) \ C; 9) (A B) \ (A B); 10) (A B) C ;

11) A (B C) ; 12) (A B) C; 13) B \ C; 14) (A C) \ B; 15) (A C) \ B;

16) (A C) \ ( B C) ; 17) (A \ C) \ (B \ C); 18) (A C) \ (A B) ;

19) (B C) \ (A C); 20) (B \ C) \ (A \ C)

1. Дано: А = [1; 5 ) ,

B = (2; +∞ ), C = ( – ∞; 3 ]

Найти:

1) B (A C); 2) B (A C); 3) C (A B) ; 4) C (A B)

5) C (A B) ; 6) (A C) ( B C); 7) (A B) ( A C) ;

8) (A B) ( B C) ; 9) (A C) ( B C) ; 10) (A B) ( B C)

2 Дано: A = {x | x ≥ 4};

B = {x | x ≤ 1 или x ≥ 3 };

C = {x | 0 < x < 9 }

Найти:

1) A B С ; 2) A B С ; 3) A (B C) ; 4) A \ B ; 5) A (C \ B); 6) A (C \ B); 7) (A \ B) ( B \ C) ; 8) (A \ B) \ C; 9) (A B) \ (A B); 10) (A B) C ;

11) A (B C) ; 12) (A B) C; 13) B \ C; 14) (A C) \ B; 15) (A C) \ B;

16) (A C) \ ( B C) ; 17) (A \ C) \ (B \ C); 18) (A C) \ (A B) ;

19) (B C) \ (A C); 20) (B \ C) \ (A \ C)