2 |
3 |
1 |
16 |
1 |
4 |
3 |
4 |
A.x2+2(x≥2) | B.x2-2(x≥2) | C.x2-2x(x≥3) | D.x2-2x-1(x≥3) |
|
27 |
8 |
2 |
3 |
3 |
2 |
1 |
a |
1 |
b |
4 | (-2)4 |
3 | (x-6)3 |
3 | a2 |
1 |
3 |
1 |
6 |
1 |
2 |
3 |
4 |
1 |
2 |
A.b>a>c | B.b>c>a | C.a>b>c | D.c>a>b |
10000 |
81 |
1 |
4 |
7 |
8 |
3 |
8 |
1 |
3 |
1 |
2 |
1 |
3 |
a
| |||||||
a
|
b |
a |
1 |
3 |
3 | a |
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