Задача 69599 ...

618e78863d2af604435c8345

26.02.2023 17:57:36

1) (0,3a⁵+0,5a)³;
2) (1,5m³+0,3m⁴)³;

5f3ea7e3faf909182968ddd9

26.02.2023 23:03:16

★

1) (0,3a⁵+0,5a)³=(0,3a^5)^3+3*(0,3a^5)^2*(0,5a)+3*(0,3a^5)*(0,5a)^2+(0,5a)^3=0,027a^(15)+0,135a^(11)+0,225a^7+0,125a^3

2) (1,5m³+0,3m⁴)³=(1,5m^3)^3+3*(1,5m^3)^2*(0,3m⁴)+3*(1,5m^3)*(0,3m⁴)^2+(0,3m⁴)^3=3,375m^9+2,025m^(10)+0,27m^(11)+0,027m^(12)