1 |
2 |
1 |
2 |
1 |
n |
n-1 |
n |
1 |
n |
2 |
n |
n-1 |
n |
4 |
4an-1 |
b | 21 |
b | 22 |
b | 23 |
b | 2n |
16 |
n |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
n |
1 |
n |
1 |
n |
1 |
2 |
1 |
n |
n-1 |
n |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
n-1 |
n |
1 |
n |
1 |
n |
n-1 |
n |
n+1 |
2 |
n+1 |
4 |
n+1+1 |
4 |
n+1 |
4 |
1 |
4 |
4 |
4an-1 |
4 |
n |
1 |
22 |
1 |
32 |
1 |
n2 |
1 |
1×2 |
1 |
2×3 |
1 |
n(n-1) |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n-1 |
1 |
n |
1 |
n |
16 |
n |
A.46 | B.47 | C.48 | D.49 |
x |
3x+1 |
1 |
an |
x |
a1 |
x2 |
a2 |
xn |
an |
A.28 | B.30 | C.42 | D.48 |
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