Question

$-0.4*0.6*(-4frac{1}{6} )$

Answer 1

$- 4 frac{1}{6} = - frac{ 25}{6} \ 0.6 = frac{6}{10} \ - 0.4 = - frac{4}{10} \ \ frac{4 times 6 times 25}{10 times 10 times 6} = frac{100 times 6}{100 times 6} = 1$



Два минуса дают +