(1,87+1,955)÷0,85-(3×1,75-2,5)×1,62
1)+ 1,955 1,87 =3.825 2) ×1,75 3 =5,25 3)_ 5,25 2,5 =2,75 4)3.825÷0,85=4.5 5) 2,75×1,62=4.455 6) 4.5-4.455=0.045