11.1+0.9=
4.9-0.7=
0.25+0.21=
2.1-1.4=
8.3-6.9=
0.2+0.41=
0.41+0.31=
7.1+0.5=
3.5-0.8=
0.9+0.3=
1.9-0.4=
9.5-7.9=
0.21+0.12=
12.9+0.25
3.1+0.8=
2.6-0.3=
0.7+2.8=
0.6-0.2=
1.9-0.42=
0.24+0.7=
1.9+0.12=