(1/3а+1/2b)^3 (0,2x-5y)^3 (0,1m-4n)^3

Question

(1/3а+1/2b)^3
(0,2x-5y)^3
(0,1m-4n)^3

Answer 1

(1/3a+1/2b)³=1/27a³+1/6a²b+1/4ab²+1/8b³
(0,2x-5y)^3=0,008x³-0,6x²y+15xy²-125y³
(0,1m-4n)^3=0,001m³-0,012m²n+4,8xy²-64n³