Пошаговое объяснение:
[tex] \frac{7}{13} + 3 \frac{1}{2} - \frac{1}{26} = \frac{7}{13} + \frac{6 + 1}{2} - \frac{1}{26} = \frac{7}{13} + \frac{7}{2} - \frac{1}{16} = \frac{14}{26} + \frac{91}{26} - \frac{1}{26} = \frac{14 + 91}{26} - \frac{1}{26} = \frac{105}{26} - \frac{1}{26} = \frac{105 - 1}{26} = \frac{104}{26} = 4[/tex]
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Пошаговое объяснение:
[tex] \frac{7}{13} + 3 \frac{1}{2} - \frac{1}{26} = \frac{7}{13} + \frac{6 + 1}{2} - \frac{1}{26} = \frac{7}{13} + \frac{7}{2} - \frac{1}{16} = \frac{14}{26} + \frac{91}{26} - \frac{1}{26} = \frac{14 + 91}{26} - \frac{1}{26} = \frac{105}{26} - \frac{1}{26} = \frac{105 - 1}{26} = \frac{104}{26} = 4[/tex]