Question 1156954

{{{8*2^(-2)-3^(-2)*27*5^0}}}

{{{8*(1/2^2)-(1/3^2)*27*1}}}

{{{8*(1/4)-(1/9)*27*1}}}

{{{cross(8)2*(1/cross(4)1)-(1/cross(9)1)*cross(27)3*1}}}

{{{2-3}}}

{{{-1}}}