x |
2 |
2 |
x |
x |
a |
x |
π |
3x-5 |
2 |
3-5y |
2x |
3 |
4 |
1 |
6a+8 |
1 |
5x-1 |
1 |
3 |
x |
2 |
x |
π |
3x-5 |
2 |
3 |
4 |
2 |
x |
x |
a |
1 |
6a+8 |
1 |
5x-1 |
1 |
3 |
x |
2 |
x |
π |
3x-5 |
2 |
3 |
4 |
2 |
x |
x |
a |
1 |
6a+8 |
1 |
5x-1 |
1 |
3 |
-m-n |
1 | ||
|
A.
| ||
B.正方形的对称轴有2条 | ||
C.等腰三角形是锐角三角形 | ||
D.等腰三角形是轴对称图形 |
2x3-7x2+5x | ||
|
A.0,1 | B.1,
| C.0,1,
| D.
|
6 |
m-1 |
18x-12 |
24 |
A.2个 | B.4个 | C.6个 | D.8个 |
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