Odpowiedź:
Działanie:
[tex]4.5+(\frac{1}{2} )^{-2}* [ \frac{11}{4}:(\frac{4}{5})^{-1} -(\frac{34}{35})^{0}]-6*(\frac{2}{3} )^{-2} = 4.5 + 2^{2} *[ \frac{11}{4}:(\frac{5}{4}) -1] - 6*(\frac{3}{2})^{2} = 4.5 + 4} *[ \frac{11}{4}*(\frac{4}{5}) -1] - 6*(\frac{9}{4})= 4.5+4*(\frac{11}{5} - 1)- \frac{54}{4} = 4.5+4*\frac{6}{5} -\frac{54}{4} = 4.5 +\frac{24}{5} -\frac{54}{4} = 4.5+4.8-13,5= -4.2[/tex]
Szczegółowe wyjaśnienie: