Ответ:\(0.004\cdot300=1.2\).\(4\frac{1}{8}-1.2=4.125-1.2=2.925\).\(2.925:0.0015=1950\).\(4\frac{1}{5}-3\frac{1}{2}=4.2-3.5=0.7\).\(0.7:10=0.07\).\(1950+0.07=1950.07\).Ответ: 1950,07.