∫ | π-π |
C | r+1n+1 |
C | r+1n |
C | rn |
1 |
n+1 |
1 |
n+2 |
1 |
n+3 |
1 |
2n |
13 |
24 |
1 |
k+1 |
1 |
k+2 |
1 |
k+3 |
1 |
2k |
1 |
2k+1 |
1 |
2(k+1) |
13 |
24 |
∫ | 0-π |
∫ | π0 |
| | 0-π |
∫ | π-π |
C | 0n |
C | 2n |
C | 1n |
C | 3n |
i(i2012-1) |
i-1 |
i(1-1) |
i-1 |
1 |
n+1 |
1 |
n+2 |
1 |
n+3 |
1 |
2n |
13 |
24 |
1 |
(k+1)+1 |
1 |
(k+1)+2 |
1 |
2(k+1) |
13 |
24 |
A.0 | B.1 | C.2 | D.3 |
A.命题“∃x0∈R,
| ||
B.命题“p∀q为真”是命题“p∧q为真”的充分不必要条件 | ||
C.命题“若am2≤bm2,则a≤b”是假命题 | ||
D.命题“若sinx=siny,则x=y”的逆否命题为真命题 |
A.f(4.5)<f(7)<f(6.5) | B.f(7)<f(4.5)<f(6.5) |
C.f(7)<f(6.5)<f(4.5) | D.f(4.5)<f(6.5)<f(7) |
a |
b |
a |
b |
a |
b |
a |
b |
π |
6 |
4 |
3 |
© 2017-2019 超级试练试题库,All Rights Reserved.