4.8-1.0=18.4-16.6=4.5+3.3=20.1+0.1=13.9+4.6=16.5+4.3=11.5+6.9=7.4+2.6=9.2-7.0=19.8+0.3=18.0+2.2=20.4-8.8=5.4-0.8=16.6-3.1=10.4+6.2=2.5+15.7=6.1+5.1=14.0-1.4=17.0+2....