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determimati o fractie care inmultita cu 4/9 da produsul 32/81​

Răspuns :

[tex] \frac{x}{y} \times \frac{4}{9} = \frac{32}{81} [/tex]

rezulta

[tex] \frac{x}{y} = \frac{ \frac{32}{81} }{ \frac{4}{9} } [/tex]

rezulta

[tex] \frac{x}{y} = \frac{32 \times 9}{81 \times 4} [/tex]

se simplifica cu 9

[tex] \frac{x}{y} = \frac{32}{36} = \frac{16}{18} = \frac{8}{9} [/tex]