952 20$$ 0.5 \times 2.5=x+2.5 $$ 8$$ 8h=1 \cdot 2 \times 02 150 \div 50=300 $$$ 8 \times 8 \times 8=25 $$0o eE$$ \frac{z}{z}= \frac{z}{I}\div \frac{1}{\varepsilon} \frac{8}{9}\times \frac{3}{11}= \frac{1}{4} $$ 9$$ \frac{8}{11}\...