Выполните умножение одночленов по образцу.
Образец
2x2 y ⋅ (0,3x3 y2 ) = (2 ⋅ 0,3) ⋅ (x2 ⋅ x3 ) ⋅ (y ⋅ y2 ) = ⋅ 5 ⋅ 3 = 0,6x5 y3 .
Выполните действия
−0,25a4 b6 ⋅ (4a3 bc) = (− ⋅ ) ⋅ ( 4 ⋅ a3 ) ⋅ (b6 ⋅ ) ⋅ = −1 ⋅ a7 ⋅ b7 ⋅ c = −a7b7c.