π |
4 |
1 |
5 |
A.a+b=0 | B.a-b=0 | C.a+b=1 | D.a-b=1 |
π |
4 |
1-cos(2x+
| ||
2 |
1+sin2x |
2 |
1 |
5 |
1+sin2lg5 |
2 |
1-sin2lg5 |
2 |
1+sin2lg5 |
2 |
1-sin2lg5 |
2 |
A.-log20122011-2 | B.-1 |
C.log20122011-1 | D.1 |
A.a<b<c | B.b<a<c | C.c<b<a | D.a<c<b |
1 |
2010 |
A.-4 | B.2 | C.-2 | D.0 |
A.
| B.
| C.
| D.
|
x |
2 |
1 |
2 |
A.2
| B.e2-
| C.2-ln2 | D.2+ln2 |
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