1.根号2分之(根号32-根号8)
问题描述:
1.根号2分之(根号32-根号8)
2.(根号6-根号60)*根号3-6*根号2分之1
答
(√32-√8)/√2
=(4√2-2√2)/√2
=2√2/√2
=2
(√6-√60)*√3-6*√(1/2)
=√6*√3-√60*√3-3*√[4*(1/2)]
=√18-√180-3*√2
=3√2-6√5-3√2
=-6√5