Răspuns:
13/9-1/3×4/1+9/4×4/81+1/6+3/2=
²⁾13/9-⁶⁾4/3+²⁾1/9+³⁾1/6+⁹⁾3/2=
26/18-24/18+2/18+3/18+27/18=
(34/18)⁽²=17/9
