Odpowiedź:
[tex] \frac{3}{8} \times 8.2 - ( {0.5}^{2} ) = \frac{3}{8} \times 8.2 - \frac{1}{4} = \frac{3}{8} \times 8 \frac{2}{10} - \frac{1}{4} = \frac{3}{8} \times \frac{82}{10} - \frac{1}{4} = \frac{246}{80} - \frac{1}{4} = 3 \frac{3}{40} - \frac{10}{40} = 2 \frac{33}{40} [/tex]
