3.87+0.48 41.2-15.6 8.76-6.09+11.87
0.15+0.5=
1-0.09=
10.8-8=
1.9+0.19=
0.97-0.9=
6.4+4.6=
8.5-0.85+1.5=
4.5+5.5-4.5+5.5=
