6.2+2.8= 0.89-0.05=
5.4-4= 0.46+0.4=
1.2-0.9= 2.6+1.2=
0.25+0.75= 1-0.8=
4.3-3.8=
0.5-0.3=
0.16+0.6=
0.92-0.2=
7.6+0.4=
1-0.08=
2.5+5=
3.3+0.9=