| m |
| n |
| AB |
| CD |
| a |
| b |
| c |
| d |
| a+b |
| b |
| c+d |
| d |
| a |
| b |
| c |
| d |
| a-b |
| b |
| c-d |
| d |
| x+y |
| z |
| y+z |
| x |
| z+x |
| y |
| a |
| b |
| c |
| d |
| a |
| b |
| c |
| d |
| a |
| b |
| c |
| d |
| a+b |
| b |
| 2b+b |
| b |
| c+d |
| d |
| 2d+d |
| d |
| a |
| b |
| c |
| d |
| a-b |
| b |
| c-d |
| d |
| a |
| b |
| c |
| d |
| a |
| b |
| c |
| d |
| a |
| b |
| b |
| b |
| c |
| d |
| d |
| d |
| a-b |
| b |
| c-d |
| d |
| a |
| b |
| c |
| d |
| a-b |
| b |
| kb-b |
| b |
| c-d |
| d |
| kd-d |
| d |
| a-b |
| b |
| c-d |
| d |
| -x |
| x |
| y+z+z+x+x+y |
| x+y+z |
| 2(x+y+z) |
| x+y+z |
科目:初中数学 来源: 题型:
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