1 |
a |
1 |
b |
A.
| B.3+2
| C.4 | D.2 |
1 |
a |
1 |
b |
1 |
a |
1 |
b |
2a+b |
2 |
1 |
2 |
b |
a |
2a |
b |
1 |
2 |
|
3 |
2 |
2 |
b |
a |
2a |
b |
1 |
a |
1 |
b |
3 |
2 |
2 |
aπ |
6 |
A.0 | B.
| C.1 | D.
|
A.y=2x | B.y=log2x | C.y=x
| D.y=x2 |
A.仅有一根 | B.有两个正根 |
C.有一正根和一个负根 | D.有两个负根 |
x |
3 |
A.![]() | B.![]() | C.![]() | D.![]() |
A.y=100x | B.y=log100x | C.y=x100 | D.y=100x |
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