1 |
2 |
1 |
2 |
π |
2 |
| ||
2 |
π |
2 |
1 |
2 |
π |
2 |
π |
6 |
∴x=4k-
4 |
3 |
3 |
2 |
(2)函数的周期T=4,f(1)=
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
f(4k+1)+f(4k+2)+f(4k+3)+f(4k+4)=2f(1)+f(2)++f=502×2+f(1)+f(2)+f(3)=1006
π |
4 |
3 |
π |
4 |
π |
4 |
1 |
2 |
1 |
2 |
π |
2 |
| ||
2 |
π |
2 |
1 |
2 |
π |
2 |
π |
6 |
4 |
3 |
3 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
1 |
2 |