ГДЗ по математике 5 класс Мерзляк ФГОС Задание 968

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\[1)\ \frac{7}{12} + \frac{3}{12} = \frac{10}{12} = \frac{5}{6}\]

\[2)\ \frac{32}{39} - \frac{6}{39} = \frac{26}{39} = \frac{2}{3}\]

\[3)\ 4\frac{17}{45} + 3\frac{13}{45} = 7\frac{30}{45} = 7\frac{2}{3}\]

\[4)\ 9\frac{59}{63} - 5\frac{24}{63} = 4\frac{35}{63} = 4\frac{5}{9}\]