根号18-2/根号2-根号8/2+(根号3-根号2)*(根号3-根号2)=3√2-√2-√2+(√3-√2)^2=√2+5-2√6
解:√18-2/√2-√8/2+(√3-√2)(√3-√2) =3√2-√2-√2+3+2-2√6 =5+√2-2√6希望对你有帮助