a |
6 |
1 |
3 |
1 |
2 |
2150+10×55+(
| ||||
x |
2700 |
x |
1 |
2 |
2700 |
x |
|
|
3 |
4 |
3 |
4 |
|
|
2700 |
x |
|
3a |
|
3a |
1 |
2 |
3 |
4 |
|
2700 |
x2 |
2700 |
x |
2700 |
20 |
1 |
2 |
3 |
4 |
3 |
4 |
|
105 |
(x-40)2 |
A.g(x)=log4x | B.g(x)=log2x | C.g(x)=2x | D.g(x)=4x |
1 |
2 |
A.a>c>b | B.b>a>c | C.c>d>b | D.a>b>c |
x1+x2 |
2 |
f(x1)+f(x2) |
2 |
A.0个 | B.1个 | C.2个 | D.3个 |
3l |
104 |
3m |
104 |
3n |
104 |
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