działania na ułamkach
: 8 wrz 2011, o 18:56
\(\displaystyle{ 3.625- \left( 2 \frac{37}{72} - \frac{22}{45} \right) : \frac{27}{35} =\\
3 \frac{5}{8} - \left( 2 \frac{185}{360} - \frac{176}{360} \right) \cdot \frac{35}{27} = \frac{29}{8} - \left( 2 \frac{1}{40} \cdot \frac{35}{27} \right) =\\
\frac{29}{8} - \left( \frac{81}{40} \cdot \frac{35}{27} \right) = \frac{29}{8} - \left( \frac{3}{8} \cdot \frac{7}{1} \right) = \frac{29}{8} - \frac{21}{8} = \frac{8}{8} =1}\)
3 \frac{5}{8} - \left( 2 \frac{185}{360} - \frac{176}{360} \right) \cdot \frac{35}{27} = \frac{29}{8} - \left( 2 \frac{1}{40} \cdot \frac{35}{27} \right) =\\
\frac{29}{8} - \left( \frac{81}{40} \cdot \frac{35}{27} \right) = \frac{29}{8} - \left( \frac{3}{8} \cdot \frac{7}{1} \right) = \frac{29}{8} - \frac{21}{8} = \frac{8}{8} =1}\)