1 |
2 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
n |
n+2 |
2 |
x2+x-a |
x+1 |
-1-
| ||
2 |
-1+
| ||
2 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
n |
n+2 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
n |
1 |
n |
1 |
4 |
1 |
n2 |
1 |
4 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
4 |
1 |
22 |
1 |
32 |
1 |
42 |
1 |
n2 |
1 |
4 |
1 |
4 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
(n-1)n |
1 |
4 |
1 |
4 |
1 |
n |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
4 |
1 |
2 |
3 |
4 |
4 | 24 |
4 | 16 |
3 |
4 |
3 |
4 |
4 | e3 |
4 | 2.73 |
4 | 19.68 |
3 |
4 |
1 |
2 |
1 |
4 |
n+1 |
2 |
n+2 |
2 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
n |
n+2 |
2 |
1 |
1 |
1 |
2 |
1 |
3 |
1 |
n |
n+2 |
2 |
2 |
3 |
1 |
2 |
3 |
2 |
2 |
3 |
1 |
a |
A.(-∞,
| B.(-∞,a)、(
| C.(
| D.(a,
|
1 |
3 |
3 |
2 |
© 2017-2019 超级试练试题库,All Rights Reserved.