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Calculati: [latex]2 \frac{4}{5} [/latex] : [latex](1 \frac{3}{4} + \frac{7}{10} )[/latex]

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localizat

2 4/5:(1 3/4 +7/10)= =14/5 :(7/4+7/10)= =14/5 :(7×5+7×2)/20= =14/5 :(35+14)/20= =14/5 × 20/49= =8/7

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