Question

выполните действия 5/6×9/15-5/12×4/15​

Answer 1

$\frac{5}{6} \times \frac{9}{15} - \frac{5}{12} \times \frac{4}{15} = \\ \frac{1}{2} - \frac{1}{9} = \\ \frac{9}{18} - \frac{2}{18} = \frac{7}{18}$

Answer 2

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