\[\boxed{\text{903\ (903).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[при\ x = 0,5:\]
\[10 - 32x^{2} = 10 - 32 \cdot (0,5)^{2} =\]
\[= 10 - 8 = 2.\]
\[при\ \ a = 3,3:\]
\[25 - 3a = 25 - 3 \cdot 3,3 = 15,1.\]
\[при\ x = - \frac{1}{3},\ \ b = \frac{2}{3}:\]
\[9xb = - 9 \cdot \frac{1}{3} \cdot \frac{2}{3} = - 2.\]
\[при\ x = 0,5,\ \ y = - 1:\]
\[- 4xy^{2} - 2x^{2}y =\]
\[= - 2 + 0,5 = - 1,5.\]