1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
2 |
3 |
| |||
3 |
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
2 |
3 |
9 |
4 |
1 |
2 |
27 |
8 |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |
2 |
3 |
9 |
4 |
1 |
2 |
9 |
4 |
9 |
4 |
1 |
2 |
| |||
3 |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
4 |
1 |
8 |
31 |
8 |
4 |
9 |
1 |
2 |
1 |
3 |
A.-
| B.
| ||||||||||||
C.x-
| D.x-
|
(a-b)2 |
3 | (b-a)3 |
A.0 | B.2(b-a) | C.0或2(b-a) | D.不确定 |
3 | a
| ||||
|
1 |
2 |
4 | 8 |
(a3+a-3)(a2+a-2-3) |
a4-a-4 |
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