2.74+0.83+1.17+0.26=2.5+3.2-(0.8-0.72)=0.24+0.75-(9.8-6.8)=0.52+1.2+0.79-0.6=0.608+9.72-8.84+0.905=9.72-8.84+12.46-5.87=0.63+18.9+2.37+5.91=32.73+(9-6)+(0.9-0.6)=3.4+[3.7-(2.1+1)]= 1.56+394)+(3.44+106)=