3 |
2 |
5 |
2 |
π |
8 |
5 |
4 |
2 |
π |
4 |
2 |
3 |
2 |
2 |
3 |
2 |
5 |
2 |
5 |
4 |
5 |
4 |
π |
2 |
kπ |
2 |
3π |
8 |
π |
8 |
A.f(x)=logax是0阶回旋函数 | ||
B.f(x)=sin(πx)是1阶回旋函数 | ||
C.f(x)=2x是-
| ||
D.f(x)=x2是1阶回旋函数 |
π |
3 |
π |
3 |
| ||
2 |
π |
4 |
π |
8 |
π |
8 |
2 |
1 |
lgx |
1 |
2 |
x2 |
a2 |
y2 |
b2 |
2 |
A.(1)(4) | B.(1)(3) | C.(3)(4) | D.(2)(3) |
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