cześć!
[tex]( \frac{3 \frac{1}{4} - 1 \frac{1}{3} }{1 \frac{3}{8} + 1 \frac{1}{2} } - \frac{2.75 - \frac{3}{2} }{0.125 + 0.5} ) \times \frac{3}{4} = \\ ( \frac{3 \frac{3}{12} - 1 \frac{4}{12} }{1 \frac{3}{8} + 1 \frac{4}{8} } - \frac{2.75 - 1.5}{0.125 + 0.5} ) \times \frac{3}{4} = \\ ( \frac{2 \frac{15}{12} - 1 \frac{4}{12} }{2 \frac{7}{8} } - \frac{1.25}{0.625} ) \times \frac{3}{4} = \\ ( \frac{1 \frac{11}{12} }{2 \frac{7}{8} } - 2) \times \frac{3}{4} = \\ (1 \frac{11}{12} \div 2 \frac{7}{8} - 2) \times \frac{3}{4} = \\ (\frac{23}{12} \div \frac{23}{8} - 2) \times \frac{3}{4} = \\ ( \frac{23}{12} \times \frac{8}{23} - 2) \times \frac{3}{4} = \\ ( \frac{1}{3} \times \frac{2}{1} - 2) \times \frac{3}{4} = \\ ( \frac{2}{3} - 2) \times \frac{3}{4} = \\ - 1 \frac{1}{3} \times \frac{3}{4} = \\ - \frac{4}{3} \times \frac{3}{4} = \\ - \frac{12}{12} = \\ - 1[/tex]
pozdrawiam!
