|-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
答
|-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