Задача 46963 ...

u821511235

2020-04-13 19:48:34

★

(0,3k^(4)n^(3)-10n^(4))^2=(0.3k^(4)n^(3))^2-2*0,3k^(4)n^(3)*10n^(4)+(10n^(4))^2=
=0,09k^(8)n^(6)-6k^(4)n^(7)+100n^(8)