2 |
π |
4 |
π |
4 |
π |
4 |
2 |
π |
4 |
2π |
2 |
π |
2 |
π |
4 |
π |
2 |
3π |
8 |
π |
8 |
3π |
8 |
π |
8 |
π |
2 |
π |
4 |
3π |
2 |
3π |
8 |
π |
8 |
π |
8 |
5π |
8 |
π |
4 |
π |
4 |
π |
4 |
π |
8 |
π |
8 |
π |
4 |
π |
4 |
π |
8 |
2 |
π |
4 |
π |
4 |
π |
4 |
2 |
3 |
5 |
4 |
5 |
A.(-3,4) | B.(-4,3) | C.(4,-3) | D.(3,4) |
a |
b |
a |
b |
3 |
A |
4 |
3 |
13 |
π |
2 |
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
π |
2 |
A.-1,3,4 | B.-1,1,2 | C.0,3,4 | D.0,1,2 |
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