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Obliczanie równania

: 09 maja 2012, 19:47
autor: Do96rotka
Oblicz

\(\frac{7}{5}\) : (-1,4)-2,7 \(\cdot\) (-\(\frac{1}{9}\))+ (1\(\frac{1}{3}\))^2\(\cdot\) \(\sqrt{2 \frac{1}{4} }\)

: 09 maja 2012, 21:04
autor: irena
\(=1,4:(-1,4)-\frac{27}{10}\cdot(-\frac{1}{9})+(\frac{4}{3})^2\cdot\sqrt{\frac{9}{4}}=-1+\frac{3}{10}+\frac{16}{9}\cdot\frac{3}{2}=\\=-\frac{7}{10}+\frac{8}{3}=\frac{-21+80}{30}=\frac{59}{30}=1\frac{29}{30}\)