3.26*0.6-4.97142:7.1+82.8*0.3
1)3,26*0,6=1,956 2)4,97142:7,1=0,7002 3)82,8*0,3=24,84 4)1,956-0,7002=1,2558 5)1,2558+24,84=26,0958