2.004 + 2.087 =
1.2+6.02 =
0.936 ? 0.330=0 .606
3.05 ? 0.35= 3.40
8.029 ? 2.93= 10.959
.03 ? 0.2 =0.23
4.091
6.98 ? 3.9002= 3.9002
7.22
.034 ? .02=.014
