Question

先化简根号-【6分之1又根号下24-2分之3又根号下12】,再求它的近似值

Answer 1

=1/6+24*-2/3-12*

=1/6+2(6*)-2/3-2(3*)

=-1/2+2(6*-3*)

=-1/2+2(3*(2*-1)

==0.21