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Obliczenia
[tex]1\frac{3}{5}:3,2-(0,3)^2=1\frac{3\cdot2}{5\cdot2}:3,2-(0,3\cdot0,3)=\\\\=1\frac{6}{10}:3,2-0,09=1,6:3,2-0,09=\frac{1,6}{3,2}-0,09=\\\\=\frac{16}{32}-0,09=\frac{16:16}{32:16}-0,09=\frac{1}{2}-0,09=\\\\=\frac{1\cdot5}{2\cdot5}-0,09=\frac{5}{10}-0,09=0,5-0,09=\boxed{0,41}[/tex]
