Question

Найдите значения выражения: 6/7х(-0.76)-2.74х6/7

Answer 1

$frac{6}{7} * (-0.76) - 2.74* frac{6}{7} = frac{6}{7} *(-0.76- 2.74) = \ =frac{6}{7} *(-3.5) = - frac{6*35}{7*10} = - frac{6*5}{1*10} = - 3$

Answer 2

175(6/7)*(-76/100)=-456/700=228/350=114/175

(-274/100)*(6/7)=-1644/700=-822/350=-411/175