Ответ: 2/3 - второй
[tex]( \frac{4}{15} + \frac{3}{10} ) \times 1 \frac{3}{17} = \frac{8 + 9}{30} \times \frac{20}{17} = \frac{17}{30} \times \frac{20}{17} = \frac{2}{3} [/tex]
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Ответ: 2/3 - второй
[tex]( \frac{4}{15} + \frac{3}{10} ) \times 1 \frac{3}{17} = \frac{8 + 9}{30} \times \frac{20}{17} = \frac{17}{30} \times \frac{20}{17} = \frac{2}{3} [/tex]