(5√8-√50)-(6√0.5-√4.5)怎么化简?

问题描述:

(5√8-√50)-(6√0.5-√4.5)怎么化简?

原式=(10√ 2-5√2)-(3√2-1.5√2)
=5√2-1.5√2
=3.5√2