Cześć!
1)
[tex]\dfrac{3}{8}=\dfrac{3\cdot125}{8\cdot125}=\dfrac{375}{1000}=\huge\boxed{0,375}\\[/tex]
2)
[tex]\dfrac{3}{4}=\dfrac{3\cdot25}{4\cdot25}=\dfrac{75}{100}=\huge\boxed{0,75}\\[/tex]
3)
[tex]\dfrac{4}{5}=\dfrac{4\cdot2}{5\cdot2}=\dfrac{8}{10}=\huge\boxed{0,8}[/tex]
4)
[tex]\dfrac{12}{25}=\dfrac{12\cdot4}{25\cdot4}=\dfrac{48}{100}=\huge\boxed{0,48}\\[/tex]
