| 1 |
| 2|x| |
| |x| |
| y+1 |
| 1 |
| 2|x| |
| |x| |
| y+1 |
| 1 |
| 2x |
| x |
| y+1 |
| 1 |
| 2x |
| x |
| 2-x |
| x+2-x |
| 4x |
| x |
| 2-x |
| 1 |
| 4 |
| 2-x |
| 4x |
| x |
| 2-x |
| 1 |
| 4 |
|
| 1 |
| 4 |
|
| 1 |
| 4 |
| 5 |
| 4 |
| 2-x |
| 4x |
| x |
| 2-x |
| 2 |
| 3 |
| 5 |
| 4 |
| 1 |
| 2|x| |
| |x| |
| y+1 |
| 1 |
| -2x |
| x |
| 2-x |
| 2-x+x |
| -4x |
| -x |
| 2-x |
| 2-x |
| -4x |
| -x |
| 2-x |
| 1 |
| 4 |
| 1 |
| 2|x| |
| |x| |
| y+1 |
| 2-x |
| -4x |
| -x |
| 2-x |
| 1 |
| 4 |
|
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 2-x |
| 4x |
| x |
| 2-x |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2|x| |
| |x| |
| y+1 |
| 3 |
| 4 |
| 3 |
| 4 |
科目:高中數(shù)學 來源: 題型:
| x2 |
| a2 |
| y2 |
| b2 |
| 3 |
| 2 |
| 1 |
| 2 |
12
| ||
| 7 |
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科目:高中數(shù)學 來源: 題型:
| A、x-2y-1=0 |
| B、2x-y-1=0 |
| C、y-1=2(x-2) |
| D、x=2 |
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