Zadanie 1
[tex]\frac{3}{20}\cdot15=\frac{45}{20}=2\frac{5}{20}=2\frac{1}{4}\\\\\huge\boxed{\text{Odp}. \ \text{D}}[/tex]
Zadanie 2
[tex]0,8\cdot12=\frac{8}{10}\cdot12=\frac{4}{5}\cdot12=\frac{48}{5}=9\frac{3}{5}=9\frac{6}{10}=9,6\\\\\huge\boxed{\text{Odp}. \ \text{B}}[/tex]
Zadanie 3
Pierwsze zdanie
[tex]0,2 \ liczby \ 10=0,2\cdot10=2\\\\\huge\boxed{\text{P}}[/tex]
Drugie zdanie
[tex]1,15 \ liczby \ 4=1,15\cdot4=4,6\neq46\\\\\huge\boxed{\text{F}}[/tex]
Trzecie zdanie
[tex]2\frac{1}{5} \ liczby \ 4=2\frac{1}{5}\cdot4=\frac{11}{5}\cdot4=\frac{44}{5}=8\frac{4}{5}\neq4\frac{4}{5}\\\\\huge\boxed{\text{F}}[/tex]
