Nadia2009mihaelaask
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produsul fractiilor 28/45 si 75/63 este....​

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Kitty200704ask

[tex] \frac{28}{45} \times \frac{75}{63} = \frac{4}{45} \times \frac{75}{9} = \frac{4}{3} \times \frac{5}{9} = \frac{4 \times 5}{3 \times 9} = \frac{20}{27} [/tex]

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