4.3+2.5= 8.1-1.7= .5.3+0.8= .3.8-1.3=-|||-.2.6+3.6= 4.15-0.2= 8-2.4= 7.5+1.43=-|||-0.4+8.7= 1.4-0.9= 4.5+3.6= 0.28+0.54=-|||-5-2.7= 7.1-3.8= .8.2-2.9= .9.5-1.7=-|||-2.5-0.8= 10-9.9= 1-0.98= 10+0.32=-|||-2.3+9.6= 9.3+5.4= .8-6.5= 12+0.35=-|||-20-0.7= 2.8+3.4= 1.6+2.7= 1.2+2.48=-|||-5.4-2.6= 10-7.5= 6.8+0.17= .5.7-4.28=-|||-9.4-2.47= 6.03-4.5= 7.2+1.08= .5.4-2.27=