Question

根号下4加2倍的根号3加根号下4减2倍的根号3计算？

Answer 1

=根号[（根号3）平方+2根号3+1]+根号[（根号3）平方-2根号3+1]
=根号[（根号3+1）平方]+根号[（根号3-1）平方]
=根号3+1+根号3-1
=2根号3,8,√(4+2√3)+√(4-2√3)
=√(1+√3)²+√(1-√3)²
=1+√3+√3-1
=2√3,0,