2-x |
x |
A.[
| B.[0,
| C.[
| D.[
|
2-x |
x |
2-x |
x |
2-x |
x |
2-x |
2 |
x |
2 |
π |
2 |
2 |
2 |
| ||
2 |
| ||
2 |
π |
4 |
π |
2 |
π |
4 |
π |
4 |
3π |
4 |
π |
4 |
2 |
8 |
x2 |
3 |
4 |
A.(-2,2) | B.(-∞,-2)∪(2,+∞) |
C.{x∈R|x≠2且x≠-2} | D.R |
sinx-2 |
4-3sinx |
| ||
x-2 |
5 | 100 |
2-x |
A.(0,2) | B.[0,2] | C.(-1,2) | D.(-1,2] |
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