计算:(1)根号6a的三次方÷根号2a,(2)-根号2(1/5)÷根号4(1/11)(3)2根号a²b/3根号ab
问题描述:
计算:(1)根号6a的三次方÷根号2a,(2)-根号2(1/5)÷根号4(1/11)(3)2根号a²b/3根号ab
答
(1)根号6a的三次方÷根号2a,
=a√6a÷√2a
=a√3
(2)-根号2(1/5)÷根号4(1/11)
=-2√2(11/5)
=-22/5√2
(3)2根号a²b/3根号ab
=2√a/3
=2/3√a