Odpowiedź :
Odpowiedź:
[tex]\frac{1}{9}*\frac{12}{5}=\frac{4}{15}\\\\\frac{54}{20}:\frac{10}{15}=\frac{54}{20}*\frac{15}{10}=\frac{162}{40}=4\frac{1}{20}\\\\\frac{65}{7}*\frac{45}{6}=\frac{2925}{42}=69\frac{27}{42}[/tex]
Odpowiedź:
[tex]\frac{1}{9}*\frac{12}{5}=\frac{4}{15}\\\\\frac{54}{20}:\frac{10}{15}=\frac{54}{20}*\frac{15}{10}=\frac{162}{40}=4\frac{1}{20}\\\\\frac{65}{7}*\frac{45}{6}=\frac{2925}{42}=69\frac{27}{42}[/tex]