√75-1/﹙√3-√2﹚+10√(1/5)
问题描述:
√75-1/﹙√3-√2﹚+10√(1/5)
答
√75-1/﹙√3-√2﹚+10√(1/5)
=5√3-(√3+√2)+10×√5/5
=5√3-√3-√2+2√5
=4√3-√2+2√5