（其实不是自己写的，解包直接得到答案
Problem 1：
答案：
6 0 8
-1 0 48
0 -2 -74
0 -2 74
Problem 2:
答案：
0.707106781186547 0.693103280083672
0 0.198029508595335
0.707106781186547 -0.693103280083672
Problem 3：
答案：
-0.816496580927726 -0.408248290463863
-0.408248290463863 0
0 0.408248290463863
0.408248290463863 -0.816496580927726
------------------------------------------------
0 0.408248290463863
-0.408248290463863 -0.816496580927726
-0.816496580927726 0.408248290463863
-0.408248290463863 0
-------------------------------------------------
1 0
0 1
Problem 4：
答案：
-4 0 0
0 2 0
0 0 2
-----------------------
0.577350269189626 0.707106781186547 0.408248290463863
−0.577350269189626 0 0.816496580927726
0.577350269189626 −0.707106781186547 0.408248290463863
Problem 5：
这题太简单了，就不发答案了