(根号9/根号12)/根号(54/12)*根号(3/6) 得多少?
问题描述:
(根号9/根号12)/根号(54/12)*根号(3/6) 得多少?
答
(根号9/根号12)/根号(54/12)*根号(3/6)
=√3/2÷(3√2/2﹚×√2/2
=√3/6