|-2根号5|-根号20+(1/6)-1幂次-(2012)0次幂

问题描述:

|-2根号5|-根号20+(1/6)-1幂次-(2012)0次幂

|-2根号5|-根号20+(1/6)-1幂次-(2012)0次幂
=2根号5-2根号5+6-1
=5