1 |
2 |
x |
1-x |
1 |
2 |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
2 |
3 |
1 |
(Sn+1)(Sn+1+1) |
1 |
2 |
1 |
2 |
|
|
1 |
2 |
x |
1-x |
1 |
2 |
x |
1-x |
1 |
2 |
1-x1 |
1-(1-x1) |
1 |
2 |
1-x1 |
x1 |
1 |
2 |
x1 |
1-x1 |
1 |
2 |
x1 |
1-x1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
n-1 |
n |
n-2 |
n |
1 |
n |
n-1 |
2 |
1 | ||||
(
|
4 |
(n+1)(n+2) |
1 |
n+1 |
1 |
n+2 |
2 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
n+1 |
1 |
n+2 |
2 |
3 |
1 |
3 |
1 |
n+2 |
4 |
n+2 |
2 |
3 |
4 |
n+2 |
4 |
n+2 |
n |
2 |
2 |
n+2 |
4 |
n+2 |
4 |
n+2 |
8 |
(n+2)2 |
2 |
n+2 |
4 |
n+2 |
8 |
(n+2)2 |
1 |
2 |
1 |
2 |
2 |
3 |
1 |
2 |
4 |
n+2 |
8 |
(n+2)2 |
1 |
2 |
1 |
2 |
1 |
3 |
A.(-∞,2] | B.[2,4) | C.(0,4) | D.(0,2] |
A.loga(x+y)=logax+logay | B.loga(x-y)=logax-logay | ||||||
C.logax•logay=loga(xy) | D.loga
|
A.lg3•lg5 | B.lg3+lg5 | C.
| D.-15 |
A.lg2•lg3 | B.lg2+lg3 | C.
| D.-6 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
4 |
8 |
125 |
2 |
1 |
25 |
|
2 |
9 |
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