Question

Сократить и вычислить:

$\frac{0.6*0.2}{3.6} =$

$\frac{0.9*0.7*0.3}{0.14*.0.81*0.6} =$

$\frac{1*2.56*0.13}{0.1*1.6*.0.0169} =$

$\frac{0.25*0.64*0.0324}{0.8*0.5*0.18} =$

Answer 1

1) 1/30
2) 25/9
3) 1600/13
4) 0,072