13 , прошу! не , но важно!
[tex]1. (1 \frac{1}{2} ){2} =. - (-0,5){3} =\\3. 6^{3} - (-8)^{2} =\\4. (6: \frac{2}{3})^{3} =[/tex]

[tex](1\frac{1}{2})^2=(\frac{3}{2})^2=\frac{3^2}{2^2}=\frac{9}{4}=2\frac{1}{4}-(-0,5)^3=-\big ((-1)\cdot 0,5\big )^3=-\big ((-1)^3\cdot (0,5)^3\big )=-\big (-1\cdot 0,125\big )=0,-(-8)^2=216 -\big ((-1)\cdot 8\big )^2=216-\big ((-1)^2\cdot 8^2\big )==216-\big (+1\cdot 64\big )=216-64= (6: \frac{2}{3})^3=(6\cdot \frac{3}{2})^3=9^3=(3^2)^3=3^6=729[/tex]