=[(√5-1)+(√5+1)]/2
=(√5-1+√5+1)/2
=(2√5)/2
=√5
10-22 0 阅读
01-02 0 阅读
07-22 0 阅读
12-30 0 阅读
01-03 0 阅读
07-15 0 阅读
12-18 0 阅读
03-17 0 阅读