| x+y-xy |
| x+y+2xy |
| y+z-2yz |
| y+z+3yz |
| x+z-3zx |
| x+z+4zx |
| 2 |
| x |
| 3 |
| y |
| 1 |
| z |
| ||||
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| x+y-xy |
| x+y+2xy |
| y+z-2yz |
| y+z+3yz |
| x+z-3zx |
| x+z+4zx |
| ||||
|
| ||||
|
| ||||
|
| 2 |
| x |
| 3 |
| y |
| 1 |
| z |
| 1 |
| z |
| 3 |
| y |
| 2 |
| x |
| ||||
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| 1 |
| x |
| 1 |
| y |
| a+b-1 |
| a+b+2 |
| 3a-b-2 |
| 3a-b+3 |
| 4a-2b-3 |
| 4a-2b+4 |
|
|
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| 2 |
| x |
| 3 |
| y |
| 1 |
| z |
| ||||
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科目:初中数学 来源:不详 题型:填空题
| x+y-xy |
| x+y+2xy |
| y+z-2yz |
| y+z+3yz |
| x+z-3zx |
| x+z+4zx |
| 2 |
| x |
| 3 |
| y |
| 1 |
| z |
查看答案和解析>>
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