Представьте выражение в виде многочлена: (4m+1/3n)^3

1)    ............=64a³+16m²n+4/3 mn²+1/27 n³
2)   .............=8/27 x³-4x²y+18xy² - 27y³
3)   ............=1/27 a³+1/6a²b+1/4ab²+1/8 b³
4)   ............=1/216 x³+1/6 x²y+2xy²+8y³
5)   ............=0.008x³ - 0.6x²y+15xy² - 125y³
6)   ............=8a³ - 7.2a²b+2.16ab² - 0.216b³
7)   ............=0.001m³ - 0.12m²n+4.8mn² - 64n³
8)   ............=0.125a³+0.12a²+0.0384a+0.004096