12.9×0.007=
12.9×0.007=0.0903
3.5×0.21=
3.5×0.21=0.735
1.6×0.5=
1.6×0.5=0.8
1.3×0.3=
1.3×0.3=0.39
0.15×0.2=
0.15×0.2=0.03
0.74×0.6=
0.74×0.6=0.444
0.05×0.2=
0.05×0.2=0.01
0.3×0.5=
0.3×0.5=0.15