集合里最普通的题目吧,楼主在预习功课么?
A∩B ={X | -1 < X < 2}
A∪B ={X | -4≤ X ≤3}
CuB ={X | X ≤ -1 或 X > 3}
CuB∪P ={X | X ≤ 0 或 X ≥ 5/2}= P
CuP ={X | 0 < X < 5/2 }
A∩B∩CuP ={X | 0 < X < 2}
集合里最普通的题目吧,楼主在预习功课么?
A∩B ={X | -1 < X < 2}
A∪B ={X | -4≤ X ≤3}
CuB ={X | X ≤ -1 或 X > 3}
CuB∪P ={X | X ≤ 0 或 X ≥ 5/2}= P
CuP ={X | 0 < X < 5/2 }
A∩B∩CuP ={X | 0 < X < 2}