题目列表(包括答案和解析)
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 5 |
| 5 |
| 6 |
| 1 |
| 6 |
| 3 |
| 4 |
| 1 |
| 4 |
| 3 |
| x |
| 6 |
| 1-x |
| x+5 |
| x2-x |
| 1 |
| x-1 |
| 1 |
| x+1 |
| 1 |
| x+1 |
| x-3 |
| x2-1 |
| x2-2x+1 |
| (x-1)(x-3) |
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| a-b |
| a-2b |
| a2-4b2 |
| a2-4ab+4b2 |
| 2 |
| cos230°+cos260° |
| tan60°•cot30° |
| 1 |
| 3 |
| 0.09 |
| 1 |
| 5 |
| 0.25 |
(-
|
| (-6)2 |
1-(
|
| 3 | -1 |
| 3 | (-1)2 |
| (-1)2 |
| 2 |
| 2 |
| (-16)2 |
| 1 |
| 2 |
| 3 | -8 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
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