A、√2/8或者-√2/2
B、±√2/8或者-√2/2
C、-√2/8或者-√2/2
D、±√2/8或者√2/2
E、-√2/8或者√2/2
F、√2/8或者√2/2
G、√2/8或者±√2/2
H、±√2/8或者±√2/2
新浪微博 70,000+
移動應用