x-3 |
12-3x |
A.[1,
| B.[1,
| C.[1,
| D.[1,2] |
π |
2 |
x-3 |
3(4-x) |
3(1-sin2θ) |
3 |
π |
3 |
π |
3 |
π |
3 |
5π |
6 |
1 |
2 |
π |
3 |
π |
3 |
x-3 |
12-3x |
A.36 | B.9 | C.4 | D.1 |
(x+1)0 | ||
|
1-6x2+x-2 |
A.{x|-2≤x<0} | B.{x|-2≤x<0且x≠-1} |
C.{x|x≤-2} | D.{x|x≥1} |
4 |
x2 |
1 |
2 |
π |
3 |
1 |
8 |
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