(1,4х3.6:0.2)-(4.2:3/4:0.2)-1/4
1.4x3.6=5.04
5.04:0.2=25.2
4.2:3/4=5.6
5.6:0.2=28
25.2-28=2.8
2.8-1/4=28/10-1/4=112/40-10/40=102/40
(1,4х3.6:0.2)-(4.2:3/4:0.2)-1/4
1.4x3.6=5.04
5.04:0.2=25.2
4.2:3/4=5.6
5.6:0.2=28
25.2-28=2.8
2.8-1/4=28/10-1/4=112/40-10/40=102/40