А)0,3411:0,09=3.79
б)16812,6:8,4=2001.5
в)240620,4:6,008=40050
г)27,2304:0,001=27230.4
а)169,96:(2,884:(5,4х-1,67))=60,7
2,884:(5,4х-1,67)=169.96:60.7
2,884:(5,4х-1,67)=2.8
5.4х-1.67=2.884:2.8
5.4х-1.67=1.03
5.4х=1.03+1.67
5.4х=2.7
х=2.7:5.4
х=0.5
б)0,72х+0,065Х-0,0071=0,04
0.785х=0.04+0.0071
0.785х=0.0471
х=0.0471:0.785
х=0.06