Obliczenia
[tex]3,7-1,2:\frac{1}{2}=3,7-1,2\cdot2=3,7-2,4=\boxed{1,3}\\\\5\cdot0,3+3\cdot\frac{2}{5}=1,5+\frac{6}{5}=1,5+1\frac{1}{5}=1,5+1\frac{2}{10}=1,5+1,2=\boxed{2,7}\\\\1,2:\frac{1}{3}-1,4\cdot\frac{2}{7}=1,2\cdot3-0,2\cdot2=3,6-0,4=\boxed{3,2}[/tex]
