1.2+3.2+0.8 = 1.2×2.5×4 = 3.01+1.7+0.99 =1×0.66÷6 = 2.7-2.7÷2.7 = 0.1-0.047 =0.29÷2.9 = 3.4×0.2 = 0.57÷19 =1.93+2.7+2.07+7.3 (0.25+2.5+25)×0.45-0.9×0.2+1.8÷0.5 [0.783+0.75×(0.55-0.15)]÷19...