0.75+0.4= 20+0.78= 4.8+4.2= 5.7-3= 4.9-1.7=
1.34+0.8= 2-0.75= 8.7+0.03= 0.2-0.09= 8.5+2.5=
3.4-1.4= 0.68+0.42= 7.82-7.2= 2+9.1= 0.48+0.52=
0.75+0.4= 20+0.78= 4.8+4.2= 5.7-3= 4.9-1.7=
1.34+0.8= 2-0.75= 8.7+0.03= 0.2-0.09= 8.5+2.5=
3.4-1.4= 0.68+0.42= 7.82-7.2= 2+9.1= 0.48+0.52=