(1,87+1,955)÷0,85-(3×1,75-2,5)×1,62

1)+ 1,955 1,87 =3.8252) ×1,75 3 =5,253)_ 5,25 2,5 =2,754)3.825÷0,85=4.55) 2,75×1,62=4.4556) 4.5-4.455=0.045