题目
题型:填空题难度:一般来源:南京模拟
1 |
3 |
3 |
x-1 |
x |
答案
1 |
3 |
3 |
1 |
2 |
1 |
2 |
B={x|
x-1 |
x |
故答案为:{x|-1<x<1}
核心考点
举一反三
x+1 |
x-1 |
A.[-
| B.(-
| C.(-
| D.[-
|
x-2 |
x+5 |
1 |
2 |
x+1 |
x-2 |
A.(-∞,2) | B.(-∞,2] | C.(-1,2] | D.[-1,2) |
A.{1,2,3,5} | B.{1,2,3} | C.{1,3,4} | D.{4} |
1 |
3 |
3 |
x-1 |
x |
1 |
3 |
3 |
1 |
2 |
1 |
2 |
x-1 |
x |
x+1 |
x-1 |
A.[-
| B.(-
| C.(-
| D.[-
|
x-2 |
x+5 |
1 |
2 |
x+1 |
x-2 |
A.(-∞,2) | B.(-∞,2] | C.(-1,2] | D.[-1,2) |
A.{1,2,3,5} | B.{1,2,3} | C.{1,3,4} | D.{4} |