计算:根号6分之根号72等于多少?2.根号56÷根号7等于多少?3.化简:根号16分之5怎样化简?

问题描述:

计算:根号6分之根号72等于多少?2.根号56÷根号7等于多少?3.化简:根号16分之5怎样化简?

根号6分之根号72
=√(6分之12)
=√12
=2√3
2.根号56÷根号7
=√(56÷7)
=√8
=2√2
3.化简:根号16分之5
=√(5/4²)
=√5/√4²
=(√5)/4