3次根号25*根号5*6次根号25

问题描述:

3次根号25*根号5*6次根号25

3次根号25*根号5*6次根号25
=3次根号25*根号5*3次根号5
=3次根号(25×5)*根号5
=5*根号5
=5倍根号5