题目列表(包括答案和解析)
| 1 |
| x |
| 1 |
| x |
| 1 |
| x |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| x2 |
| 3 |
| x |
| 1 |
| 8 |
| 1 |
| 8 |
| n |
| r=0 |
| C | r n |
| C | n 2n |
| m |
| r=0 |
| C | r n |
| C | m-r n |
| C | m 2n |
| 1 |
| x |
| 1 |
| x |
| 1 |
| x |
| 1 |
| 3 |
| 1 |
| 3 |
| k |
| x+a |
| x+b |
| x+c |
| kx |
| ax-1 |
| bx-1 |
| cx-1 |
| A、b=20,A=45°,C=80° | B、a=30,c=28,B=60° | C、a=14,b=16,A=45° | D、a=12,c=15,A=120° |
| 1 |
| x |
| 1 |
| x |
| 1 |
| x |
| 1 |
| 2 |
| 1 |
| 2 |
| k |
| x+a |
| x+b |
| x+c |
| kx |
| ax-1 |
| bx-1 |
| cx-1 |
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