Question

Обчислити зручним способом 6/7×(-0,76)-2,74×6/7

Answer 1

Пошаговое объяснение:

$\frac{6}{7} \times ( - 0.76) - 2.74 + \frac{6}{7} = \frac{6}{7} ( - 0.76 - 2.74) = \frac{6}{7} \times 1.5 = \frac{6}{7} \times \frac{3}{2} = \frac{9}{7}$

Answer 2

$\frac{6}{7} \times ( - 0.76) - 2.74 \times \frac{6}{7} = \frac{6}{7} \times \frac{19}{25} - \frac{137}{25} \times \frac{3}{7} = \frac{114}{175} - \frac{411}{175} = - \frac{297}{175}$