Question

Помогите пж 9/10*(6/13 - 1/39)

Answer 1

Ответ:

$\frac{9}{10}*(\frac{6}{13} -\frac{1}{39} )$=$\frac{9}{10}*\frac{17}{39}=\frac{3}{10} *\frac{17}{13} =\frac{51}{130}$

Answer 2

Пошаговое объяснение:

$\frac{9}{10} \times ( \frac{6}{13} - \frac{1}{39} ) = \frac{9}{10} \times ( \frac{18}{39} - \frac{1}{39} ) = \frac{9}{10} \times \frac{17}{39} = \frac{153}{390} = \frac{51}{130}$