Question

2/5-2целых3/4:(2/5-1/2)=
(2целых1/3×2/5)×(2-4целых 1/8+2/9)×4/9=

Answer 1

$frac{2}{5} -2 frac{3}{4} :( frac{2}{5} - frac{1}{5} )=0,4-2,75:(0,4-0,2)=0,4-2,75:0,2=$ 0,4-13,75=-13,35