6.9-6= 0.9+0.6= 1-0.09= 0.9+0.1=
2.7+2.2= 0.2+0.8= 0.7-0.7= 5.5+11=
1.3-0= 9.7-7= 0.93+0.73= 13.8-0.8=
0.6+2.7= 5.4+0.3= 0.65+0.35= 0.8+8=