題目列表(包括答案和解析)
1 |
a |
a2-2+
|
1 |
2 |
1 |
a |
(a-
|
1 |
a |
1 |
a |
1 |
a |
1 |
a |
2 |
a |
1 |
2 |
1 |
2 |
3 |
4 |
7 |
8 |
7 |
12 |
7 |
8 |
3 |
4 |
3 |
4 |
7 |
8 |
7 |
12 |
8 |
7 |
3 |
4 |
7 |
4 |
8 |
7 |
7 |
8 |
8 |
7 |
7 |
12 |
8 |
7 |
4 |
3 |
2 |
3 |
8 |
3 |
1 |
3 |
1 |
6 |
1 |
6 |
1 |
6 |
7 |
6 |
1 |
6 |
1 |
a+3 |
6 |
9-a2 |
1 |
a+3 |
6 |
(a+3)(a-3) |
a-3 |
(a+3)(a-3) |
6 |
(a+3)(a-3) |
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
1 |
4 |
1 |
4 |
5 |
6 |
2 |
3 |
2 |
3 |
1 |
2 |
|
5 |
5 |
|
5 |
|
|
0.3 |
|
|
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