bai tap tap hop hay

Bài tập phần tập hợp số: ( ) [ ) ∪ − = ( ] ( ) − ∩ = ( ] [ ) −∞ ∩ +∞ = ( ] ( ) −∞ ∪ +∞ = [ ] ( ) − = [ ] ( ) − ∩ = [ ) ( ) − ∪ +∞ = [ ] ] ( = ( ] [ ) −∞ ∩ +∞ = ( ) ( ] −∞ = [ ) ( ] ∪ = [ ] − = » ( ) [ ] − = [ ) ( ] − = [ ] ( ) = [ ] [ ] − = { } − = » [ ] ( ) = ( ) [ ] = [ ] [ ) = [ ] ( ] = ( ) [ ] − − = ( ) − = » x x ≥   ≤  x x >   ≤  x x >   <  x x ≥   ≤  x x ≤   ≥  x x <   ≥  x x <   >  x x >   ≤  x x x ≥   ≥     ≤   x x x ≤ −   ≥     ≤   x x x <   <     ≤   x x x ≤   <     >   x x x >   >     <   x x x ≥   >     ≤   x x x >   >     >   x x x >   <     ≥   x x ≤ ≤   ≤ <  x x − ≤ <   ≤ <  x x < ≤   ≤ <  x x < <   ≤ <  x x x <   < <     ≤   x x x <   ≤ <     ≤   x x x ≤   ≤ <   ≠  x x x  ≤ <    ≤    ≠  x x x ≠   ≤ <   ≤  x x x ≠   ≥     <   x x x < ≤   ≥     ≤   x x x ≤ ≤   ≥     >  