1) (-2;4]∪(1;3] = (-2; 4 ]
(-2)____(1)____[3]_____[4]
2) (-3;1 ) ∪( -2;5] = (-3; 5 ]
(-3)____(-2)____(1)_____[5]
3) (0;4)∪[-1;4] = [-1; 4 ]
[-1]____(0)_____[4]
4) (-5;-2)∪(1;3) = (-5;-2)∪(1;3)
(-5)/////////(-2)____(1)//////////(3)
5) (1;2)∪[-1;6] = [-1; 6 ]
[-1]____(1)____(2)_____[6]
6) (-1;2)∪[-2;2] = [-2; 2 ]
[-2]____(-1)______[2]
7) (-1;3)∪[-1;+∞) = [-1; +∞)
[-1]______(3)______+∞
8) (-3;1)∪(-2;5] = (-3; 5]
1) (-2;4]∪(1;3] = (-2; 4 ]
(-2)____(1)____[3]_____[4]
2) (-3;1 ) ∪( -2;5] = (-3; 5 ]
(-3)____(-2)____(1)_____[5]
3) (0;4)∪[-1;4] = [-1; 4 ]
[-1]____(0)_____[4]
4) (-5;-2)∪(1;3) = (-5;-2)∪(1;3)
(-5)/////////(-2)____(1)//////////(3)
5) (1;2)∪[-1;6] = [-1; 6 ]
[-1]____(1)____(2)_____[6]
6) (-1;2)∪[-2;2] = [-2; 2 ]
[-2]____(-1)______[2]
7) (-1;3)∪[-1;+∞) = [-1; +∞)
[-1]______(3)______+∞
8) (-3;1)∪(-2;5] = (-3; 5]
(-3)____(-2)____(1)_____[5]