Detalji

Hitova: 799

1. Pojednostavi dvojene razlomke

           \[\textbf{a)} \:\dfrac{\dfrac{15xy^{3}}{20a^{2}b}}{\dfrac{25x^{2}y}{60ab^{2}}}\]

          \[ \textbf{b)}\:\dfrac{\dfrac{27xyz}{30abc^{2}}}{\dfrac{18x^{2}y}{25a^{2}bc}}\]

   

2. Racionliziraj nazivnike danih razlomaka:

      \[\textbf{a)} \:\dfrac{\dfrac{\left( x-y\right) ^{2}}{\dfrac{x^{2}}{x^{2}-y^{2}}}}{xy}\]

      \[\textbf{b)} \:\dfrac{4+\dfrac{1}{a}}{4-\dfrac{1}{a}}\]

      \[\textbf{b)} \:\dfrac{\dfrac{x}{x-y}-\dfrac{x}{x+y}}{\dfrac{x}{x-y}+\dfrac{x}{x+y}}\]