Rešite ((2*3/9div3)^-2/(frac{9{4})^2*(2/5)^-1})^-1

$$( \frac { ( 2 \times \frac { 3 } { 9 } \div 3 ) ^ { - 2 } } { ( \frac { 9 } { 4 } ) ^ { 2 } \times ( \frac { 2 } { 5 } ) ^ { - 1 } } ) ^ { - 1 }$$

Ovrednoti

$$\frac{5}{8}=0,625$$

Koraki rešitve

Zmanjšajte ulomek \frac{3}{9} na najmanjši imenovalec tako, da izpeljete in okrajšate 3.

$$\left(\frac{\left(\frac{2\times \frac{1}{3}}{3}\right)^{-2}}{\left(\frac{9}{4}\right)^{2}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Pomnožite 2 in \frac{1}{3}, da dobite \frac{2}{3}.

$$\left(\frac{\left(\frac{\frac{2}{3}}{3}\right)^{-2}}{\left(\frac{9}{4}\right)^{2}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Izrazite \frac{\frac{2}{3}}{3} kot enojni ulomek.

$$\left(\frac{\left(\frac{2}{3\times 3}\right)^{-2}}{\left(\frac{9}{4}\right)^{2}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Pomnožite 3 in 3, da dobite 9.

$$\left(\frac{\left(\frac{2}{9}\right)^{-2}}{\left(\frac{9}{4}\right)^{2}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Izračunajte potenco \frac{2}{9} števila -2, da dobite \frac{81}{4}.

$$\left(\frac{\frac{81}{4}}{\left(\frac{9}{4}\right)^{2}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Izračunajte potenco \frac{9}{4} števila 2, da dobite \frac{81}{16}.

$$\left(\frac{\frac{81}{4}}{\frac{81}{16}\times \left(\frac{2}{5}\right)^{-1}}\right)^{-1}$$

Izračunajte potenco \frac{2}{5} števila -1, da dobite \frac{5}{2}.

$$\left(\frac{\frac{81}{4}}{\frac{81}{16}\times \frac{5}{2}}\right)^{-1}$$

Pomnožite \frac{81}{16} in \frac{5}{2}, da dobite \frac{405}{32}.

$$\left(\frac{\frac{81}{4}}{\frac{405}{32}}\right)^{-1}$$

Delite \frac{81}{4} s/z \frac{405}{32} tako, da pomnožite \frac{81}{4} z obratno vrednostjo \frac{405}{32}.

$$\left(\frac{81}{4}\times \frac{32}{405}\right)^{-1}$$

Pomnožite \frac{81}{4} in \frac{32}{405}, da dobite \frac{8}{5}.

$$\left(\frac{8}{5}\right)^{-1}$$

Izračunajte potenco \frac{8}{5} števila -1, da dobite \frac{5}{8}.

$$\frac{5}{8}$$

Faktoriziraj

$$\frac{5}{2 ^ {3}} = 0,625$$