-1/6*(-3)в 3 степени

[latex]- \frac{1}{6}*(-3)^3= - \frac{1}{6}*[-3]^3= - \frac{1}{6}*[(-1)*3]^3= - \frac{1}{6}*(-1)^3*3^3= [/latex] [latex]=(-1)* \frac{1}{6}*(-1)*(-1)*(-1)*27=(-1)* \frac{1}{6}*(-1)*1*27=[/latex] [latex]=(-1)*(-1)* \frac{1}{6}*27=1* \frac{1}{6}*27=\frac{1}{6}*27= \frac{1*27}{6} =[/latex] [latex]= \frac{3*9}{3*2}= \frac{9}{2} =4.5[/latex]