Candaleacutaask
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calculeaza:a) 1/3+2/3;b)1/5+2/5+3/5;c)5/36+7/36+15/36;d)10/123+5/123.​

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Emilia3350ask

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[tex] \frac{1}{3} + \frac{2}{3} = \frac{3}{3 } = 1 \\ \frac{1}{5} + \frac{2}{5} + \frac{3}{5} = \frac{6}{5} \\ \frac{5}{36} + \frac{7}{36} + \frac{15}{36} = \frac{27}{36} \\ \frac{10}{123} + \frac{5}{123} = \frac{15}{123} \: \: \: rezolvarea[/tex]

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