Question

помогите решить( 17/26+11/13)*11/6

Answer 1

$( \frac{17}{26} + \frac{11}{13} ) \times \frac{11}{6} = ( \frac{17 + 22}{26} ) \times \frac{11}{6} = \\ \\ = \frac{39}{26} \times \frac{11}{6} = \frac{3 \times 11}{2 \times 6} = \frac{1}{2} \times \frac{11}{4} = \\ \\ = 2 \frac{3}{4}$
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Готово.
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Answer 2

$( \frac{17}{26} + \frac{11}{13} ) \times \frac{11}{6} = \frac{17 + 11 \times 2}{26} \times \frac{11}{6} = \frac{ 39 \times 11 }{26 \times 6} = \frac{ 3 \times 11}{2 \times 6} = \frac{11}{4} = 2 \frac{3}{4} = 2.75$