x |
ax+b |
2 |
3 |
1 |
2 |
2 |
3 |
2 |
2a+b |
2 |
3 |
x |
ax+b |
x |
ax+b |
1 |
ax+b |
1 |
ax+b |
an-1 |
an-1+1 |
1 |
an |
1 |
an-1 |
1 |
an |
1 |
an |
1 |
a1 |
1 |
n |
1 |
m |
1 |
q |
| ||
1-q |
1 |
2 |
2 |
m |
1 |
3 |
1 |
3 |
1 |
2 |
1 |
2 |
2 |
m |
1 |
2 |
1 |
2 |
1 |
q |
1 |
q |
A.3 | B.6 | C.17 | D.51 |
A.10 | B.5 | C.3 | D.0 |
an |
bn |
an |
bn |
A.等差数列 | B.既是等差又是等比数列 |
C.等比数列 | D.既非等差又非等比数列 |
1 |
3 |
A.14 | B.15 | C.16 | D.17 |
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