(3 1/2 - 2,75) : 0,2 - 2 1/2 = ?

Question

(3 1/2 - 2,75) : 0,2 - 2 1/2 = ?

Answer 1

(3 1/2-2,75):0,2-2 1/2=(3 1/2-2 3/4):1/5-2 1/2=(3 2/4-2 3/4):1/5-2 1/2=
=3/4:1/5-2 1/2=15/4-2 2/4=3 3/4-2 2/4=1 1/4=1.25