-b±
| ||
2a |
2±
| ||
2 |
3 |
3 |
3 |
-b±
| ||
2a |
-3±
| ||
4 |
-3+
| ||
4 |
-3-
| ||
4 |
-b±
| ||
2a |
4±
| ||
4 |
2±
| ||
2 |
2+
| ||
2 |
2-
| ||
2 |
-b±
| ||
2a |
-6±
| ||
2 |
6 |
6 |
6 |
-b±
| ||
2a |
-2n±
| ||
2a |
-2n±2
| ||
2a |
-n±
| ||
a |
-n±
| ||
a |
科目:初中數(shù)學(xué) 來源: 題型:
x-3 |
4 |
x-4 |
3 |
1 |
2 |
x+1 |
4 |
2x-1 |
6 |
x+3 |
4 |
x-3 |
2 |
0.4x-0.1 |
0.5 |
0.1+0.2x |
0.3 |
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