Zadanie 4
[tex]-\frac{1\frac{4}{5}*1\frac{1}{3} }{-\frac{1}{10}:1\frac{1}{9} } } =-\frac{\frac{9}{5}*\frac{4}{3} }{-\frac{1}{10}:\frac{10}{9} } =-\frac{\frac{12}{5} }{-\frac{9}{100} } =\frac{12}{5} *\frac{100}{9} =\frac{80}{3}[/tex]
Zadanie 3
W załaczniku
