10x-10-x |
10x+10-x |
10x-10-x |
10x+10-x |
102x-1 |
102x+1 |
10-x-10x |
10-x+10x |
102x-1 |
102x+1 |
102x-1 |
102x+1 |
102x1-1 |
102x1+1 |
102x2-1 |
102x2+1 |
2(102x1-102x2) |
(102x1+1)(102x2+1) |
2(100x1-100x2) |
(102x1+1)(102x2+1) |
t |
2 |
| ||
2 |
|
π |
2 |
A.
| B.
| C.1 | D.2 |
lim |
x→a+ |
lim |
x→b- |
A.没有实根 | B.至少有一个实根 |
C.有两个实根 | D.有且只有一个实根 |
3 |
2 |
3 |
4 |
3 |
4 |
1-x2 |
1+x+x2 |
λa+μb |
λ+μ |
λa2+μb2 |
λ+μ |
λa+μb |
λ+μ |
λa2+μb2 |
λ+μ |
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