x1+x2 |
2 |
x1-x2 |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
2x-π |
2 |
x1-x2+π |
2 |
x1+x2-π |
2 |
x1-x2+π |
2 |
π |
2 |
π |
2 |
x1+x2-π |
2 |
π |
2 |
π |
2 |
π |
2 |
x1-x2+π |
2 |
x 1+ x2-π |
2 |
A.y=sinx | B.a<b | C.y=ln
| D.y=
|
A.[-
| B.(-∞,-
| C.[
| D.(-∞,
|
A.a≤1 | B.a≥2 | C.1≤a≤2 | D.a≤1或a≥2 |
|
A.1 | B.2 | C.4 | D.5 |
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