(5,05:1/40-2,8*5/7)*3-16*0,1875

Question

(5,05:1/40-2,8*5/7)*3-16*0,1875

Answer 1

((505/100)*(40/1)-(28/10)*(5/7))*3-16*0,1875=
=((505*40/100)-28*5/10*7)*3-3=(202-2)*3-3=200*3-3=600-3=597