Question

(0,75-0,25*4,2):0,2(45)+1|3

Answer 1

$1) : 0.25 times 4.2 = 1.05 \ 2) : 0.75 - 1.05 = - 0.3 \ 3) : - 0.3 div 0.2 = - 1.5 \ 4) : - 1.5 times 45 = - 67.5 \ 5) : 67.5 + frac{1}{3} = frac{ - 135}{2} + frac{1}{3} = frac{ - 405}{6} + frac{2}{6} = frac{ - 403}{6} = - 67 times frac{1}{6}$