2的1+㏒2³次方=2*(2的㏒2³次方)=2*3=6
1/2的3+㏒2³次方=[(1/2)的3次方]*[(1/2)的㏒2³次方]=(1/8)*(2的-㏒2³次方)=1/8*(1/3)=1/24