Question

Заполни пропуски.
(2m + 0,5n)³ =_m—+_m²n +__mn²+__n³.
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Answer 1

Ответ:

8m³+6m²n+1.5mn²+0.125n³

Объяснение:

$(2m+0.5n)^3=(2m)^3+3\times(2m)^2\times(0.5n)+3\times(2m)\times(0.5n)^2+(0.5n)^3=8m^3+6m^2n+1.5mn^2+0.125n^3$